Our group meetings take place in our lab, room MC6334, in the Mathematics & Computer Building (MC). If you are an upcoming student speaker and would like some advice on how to prepare a presentation, see the section on communication skills in my handbook for new grad students here.
Winter 2024
-
Feb. 9 (Fri), 11:00am, Prof. Carl Caves (University of New Mexico)
100 years after Heisenberg: Discovering the world of simultaneous measurements of non-commuting observables.
Live in MC6334 and on Zoom here.
Fall 2023
-
Nov. 15 (Wed), 3:00pm, Evan Peters
Learning and Entanglement
Live in MC6334 and on Zoom here -
November 3 (Fri), 11am, Dr. Aidan Chatwin-Davies (OIST, Okinawa)
Holographic Screen Sequestration
Live in MC6334 and on Zoom here -
October 30, (Mon), 12:00pm, Alexandra Kirillova (IQC)
Optimizing Satellite Quantum Key Distribution
Live in MC6334 and also on Zoom here. -
October 23, (Mon), 12:00pm, Dr. Michael. F. Wondrak (Radboud University, The Netherlands)
Gravitational Pair Production and Black Hole Evaporation
(Based on the recent PRL: https://arxiv.org/abs/2305.18521)
Live in MC6334 and also on Zoom here. -
October 16, (Mon), 10:00am, AK talks at Center of Applied Space Technology and Microgravity (ZARM), University of Bremen
Correlations, representations and the emergence of spacetime
The recording is here. User: gravitv, pwd: Gab=8piG/c^4Tab -
October 5, (Thu), 11:00am, AK talks in the Quantum Foundations Seminar at Perimeter Institute
On the Role of Representations in Foundations, Quantum Gravity and AI & Consciousness
The recording on PIRSA is here.
Spring/Summer 2023
-
June 20, (Tue), 2:30pm, Arsalan Motamedi (IQC)
On sampling in a quantum context
Winter 2023
-
Apr 5 (Wed), 1:00pm, Prof. Lorenzo Fatibene (University of Torino, Italy)
Building theories out of thin air: The mathematical structure of relativistic theories
Live in the lab (MC6334) and on Zoom, here.
Fall 2022
-
Dec 6 (Tue), 11:00am, Prof. Pooya Ronagh (IQC)
Gibbs Sampling of Periodic Potentials on a Quantum Computer -
Dec 1 (Thu), 11:00am, Prof. Robert Martin (Univ. of Manitoba)
An introduction to Non-commutative Function Theory -
Nov 24 (Thu), 4:00pm, Dr. Nayeli Rodriguez Briones (Berkeley)
Activation of Strong Local Passive States with Quantum Energy Teleportation Protocols -
Nov 17 (Thu), 3:30pm, Prof. John Klauder (Univ. of Florida)
Advanced quantum mechanical methods. The recording is here. -
Nov 10 (Thu), 3:30pm, Dr. Ali Mahmoud
On the mathematics of quantum computing -
Nov 3 (Thu), 11am, Prof. John Klauder (Univ. of Florida)
Quantization meets the universe. The recording is here. Passcode: +W4iuTP8 -
Oct 28 (Fri), 4:30pm, Prof. Fabio Scardigli (Univ. of Milano)
Bekenstein bound and uncertainty relations -
Oct 24 (Mon), 10:00am, Evan Peters
Generalization despite overfitting in quantum machine learning -
Oct 21 (Fri), 2:00pm, Evan Peters
Using correlated auxilliary noise in classical and quantum machine learning (II) -
Oct 14 (Fri), 2:00pm, Evan Peters
Using correlated auxilliary noise in classical and quantum machine learning (I) -
Oct 5 (Wed), 2:00pm, Dr. Aidan Chatwin-Davies (UBC)
Error correction and superselection -
Sep 8 (Thu), 4:00pm, Einar Gabbassov
Discretized adiabatic quantum computing II -
Sep 1 (Thu), 4:00pm, Einar Gabbassov
Discretized adiabatic quantum computing I
Spring/Summer 2022
-
Aug. 31 (Wed), 2:00pm, Sky Room, PI, Prof. Masahiro Hotta (Tohoku University, Japan)
How to derive quantum mechanics for a two-level spin by Stern-Gerlach experiments, and its extension to multi-level systems -
June 15 (Wed), 11:30am, Maria Papageorgiou, at PI (room TBA) and on Zoom.
Quantum measurements in relativistic spacetime -
May 31 (Tue), 2pm, Dr. Marcus Reitz (Jagiellonian Univ, Poland), in our lab, MC6334 (or in MC5479 if our lab is too full) and on Zoom:
Generalised spectral dimensions in non-perturbative quantum gravity -
May 10 (Tue), 2pm, Dr. Ningping Cao (IQC) (Zoom)
Combined numerical ranges of observables and quantum information -
May 4 (Wed), 2pm, Matheus Zambianco (Sao Paulo) (Zoom)
2 topics: Observer dependent entanglement / Quantum friction
Winter 2022
-
February 16 (Wed), 1pm, Dr. Flaminia Giacomini (PI) (Zoom)
Second-quantized Unruh-DeWitt detectors and their quantum reference frame transformations -
February 7 (Mon), 2pm, Dr. Nayeli Rodríguez Briones (Berkeley) (Zoom)
Cooling quantum systems with quantum information processing -
January 28 (Fri), 1:30pm, Prof. John Klauder (Univ. of Florida) (Zoom)
Affine Quantization and Gravity -
January 26 (Wed), 9pm, Dr. Jason Pye (UW and University of Western Australia) (Zoom, pwd: 711529)
On Bandlimitation in Quantum Field Theory
Spring/Summer 2021
-
June 21 (Mon), 10am, Maria Papageorgiou (Zoom)
Ph.D. Lecture 1: Quantum measurement in Relativistic Quantum Information -
June 23 (Wed), 12pm, Maria Papageorgiou (Zoom)
Ph.D. Lecture 2: Detector models in Quantum Field Theory: the localization problem -
June 30 (Wed), 12pm, Maria Papageorgiou (Zoom)
Ph.D. Lecture 3: Detector models in Quantum Field Theory: frictions with relativistic causality
Fall 2020
-
Oct
13
(Tue),
11am,
Erickson
Tjoa (Video)
Entanglement harvesting in collapsing shell spacetime and a new computational method it inspired -
Sep.
22 (Tue),
11am,
Aharon
Brodutch
(CQIQC,
University
of
Toronto)
Video
Do qubits dream of entangled sheep? -
Sep
16
(Wed),
4pm,
in PI
series,
Eugene
Tang
(CalTech)
Video
The ghost in the radiation: Robust encodings of the black hole interior -
Sep
8
(Tue),
2pm,
Basel
Jayyusi
(Video)
Geometric interpretation of separation of variables in Hamilton Jacobi equations -
Sep
2 (Wed),
11am,
Jason
Pye
(Video)
Lectures on Sampling Theory in Quantum Field Theory II (Lorentzian case) -
Sep
1 (Tue),
11am,
Jason
Pye
(Video)
Lectures on Sampling Theory in Quantum Field Theory I (Euclidean case)
Spring/Summer 2020
-
Aug
19
(Wed),
11am,
Jason
Pye
(Video)
Relativity, Particle localizability and Entanglement -
May
19
(Tue),
10am,
Maria,
Nadine,
Achim,
Richard
(joint
Edu-Achim
group
event)
Miniworkshop on the light-matter interaction
The recording is here
Winter 2020
-
April
21
(Tue),
2pm,
Richard
Lopp,
Dan
Grimmer
[The
video
recording
is
here]
Shape, Geometry and Quantum Optics: Are Optical Fibers Really One Dimensional? -
March
31 (Tue),
11am,
Raphael
Abrahao
(University
of
Ottawa)
[online,
via
Zoom,
here]
Scaling Boson sampling experiments and quantum metrology with photon counting -
March
25
(Wed),
2pm,
Navya
Gupta
[postponed]
Disentangeling entanglement -
March
17
(Tue),
11am,
Prof.
Roger
Melko
[postponed]
Reconstructing Wave Functions with Unsupervised Learning -
Feb
11
(Tue),
11am,
Dr.
Alvaro
Alhambra
Revivals imply quantum many-body scars -
Feb
4
(Tue),
11am,
Prof.
Yidun Wan
(Fudan
University,
Shanghai)
Intro to the Experimental Probing of Topological Order and Its Breakdown via Modular Matrices -
Jan
30
(Thu),
2:30pm
in
MC5501 (Colloquium),
AK
Superoscillations: Faster than Fourier -
Jan
28
(Tue),
11am,
Aidan
Chatwin-Davies
(University
of
Leuven,
Belgium)
Bulk reconstruction beyond the entanglement wedge -
Jan
21 (Tue),
11am,
Juan
Cayuso
Exploration of the Universe at the largest possible scales. -
Jan
15
(Wed),
11am,
Nicholas
Funai
Numerical obsolescence of RWA in 21st century cavities -
Jan
10
(Fri),
12pm,
Rena
Kaya
Quantum Amplifiers: From ideal to immaculate -
Jan
7
(Tue),
11am,
Adam
Lewis
Quantum computing with machine learning controlled quantum stuff
Fall 2019
-
Dec
16
(Mon),
11am,
Ali
Mahmoud
On the asymptotics of diagrams occurring in interacting quantum field theories. -
Dec
10
(Tue),
11am,
Eugene
Tang
(CalTech)
Robust encodings of the black hole interior -
Dec.
4
(Wed),
11am,
Adam
Lewis
Lattice simulations of Hartle Hawking vacua -
Nov.
26
(Tue),
1pm,
Aaron
Voelker
Energy-efficient dynamic computations on spiking neuromorphic hardware -
Nov
19
(Tue)
10am,
Marcel
Golz (C&O,
UW
and
Humboldt
University
Berlin)
Parametric Feynman integrals for gauge theories and their combinatorics -
Nov
18
(Mon)
11am,
Tobias
Fritz
(PI)
Resource efficiency in thermodynamics and characterizations of entropy -
Nov.
5
(Tue)
10am,
Ramit
Dey
(IACS,
India)
Signature of near horizon modifications in holography -
Oct.
30
(Wed)
in
room
QNC1201
at
the
IQC
(joint
seminar
with
Edu's
group),
2:30pm,
AK
Superoscillations: theory and applications -
Oct.
23
(Wed)
11am,
Dan
Grimmer,
Irene
Melgarejo
Machine Learning Quantum Field Theory -
Oct.
8
(Tue)
11am,
Chunchong
"Rufus"
Ni
Seeing the unseeable: How the Event Horizon Telescope unmasks supermassive black holes -
Sep.
18 (Wed)
12:00pm,
Koji
Yamaguchi
(Tohoku
University,
Sendai,
Japan)
A bound on quantum signal to noise ratios -
Sep.
4 (Wed)
11:00am,
Parth
Girdhar
(Univ.
of
Sydney,
Australia)
Probing modified commutation relations via quantum noise
Summer 2019
-
Aug.
28
(Wed)
3pm,
Jessica
Pointing
(Stanford)
Opportunities with near-term quantum computers -
Aug.
22
(Thu)
10:30am,
Prof.
Giovanni
Acampora
(Univ.
of
Napoli,
Italy)
Computational intelligence: an introduction and a quantum vision -
July
16
(Tue)
3:30pm,
Sky
room
at
PI,
Prof.
John
Klauder
(Univ.
of
Florida)
The real quantum gravity -
July 16 (Tue)
11am
(MC6334),
Dimitris
Moustos
(Patras
Universty,
Greece)
Thermality in the Unruh effect
Winter 2019
(AK is on sabbatical)
-
Jan.
30
(Wed)
2pm,
Ding
Jia
Should one geometry appear only once in the path integral for gravity? -
Jan.
8 (Tue)
12:00pm,
in
Room
MC6486,
Prof.
Silke
Weinfurtner (University
of
Nottingham)
Fluid dynamics meets gravity: analogue black holes in the lab
Fall 2018
(AK is on sabbatical)
-
Dec.
5
(Wed)
1:00pm, Jose
De
Ramón
Rivera
Quantum fields and local measurements -
Oct.
15
(Mon)
4:00pm,
Ingo
Roth
(former
group
member,
now
at
Freie
Uni Berlin)
Introduction to compressed sensing for classical and quantum signals
Spring / Summer 2018
-
Aug.
29
(Wed)
11:00am,
QNC1201,
Doreen
Fraser
(Philosophy,
UW)
Analogies in quantum theories -
Aug.
20 (Mon)
11:00am,
Turner
Lee
Silverthorne
Tsirelson’s Problem and The Word Problem -
Aug.
16 (Thu)
12:00pm,
Nitica Sakharwade
Toy model for quantum causal structures -
Aug.
8 (Wed) 1:00pm Dr.
Robert
Martin
Finite dilations of quantum channels -
Aug.
1 (Wed)
1:00pm,
Prof.
Karen
Yeats
(C&O, U.
Waterloo)
Field diffeomorphisms in QFT -
July
26
(Thu)
1:00pm,
Location:
QNC1501,
Esteban
Castro
Ruiz
(University
of
Vienna)
Dynamics of Quantum Causal Structures
(this is a joint seminar with the groups of Robb Mann and Eduardo Martin-Martinez) -
July
20
(Fri)
3:00pm,
Jason
Pye
and
Dr.
Marco
Letizia
Test runs of their talks at the ICMP conference -
July
19
(Thu)
3:00pm,
Location:
QNC1501, Flaminia
Giacomini
(University
of
Vienna)
Spin measurement in relativistic quantum reference frames
(this is a joint seminar with the groups of Robb Mann and Eduardo Martin-Martinez) -
July
19
(Thu)
10:30-11:55am,
QNC0101, Steven
Heidel
(Rigetti Computing)
and
Guillaume
Verdon
Controlling a Quantum Computer with Code (Steven) andA Universal Training Algorithm for Quantum Deep Learning (Guillaume)
-
July
18
(Wed)
1:00pm,
Atmn
Patel
Test run of his talk at the ICMP conference -
July
10
(Tue)
1:00pm,
Maria
Quadeer (Univ.
of
Technology,
Sydney)
Minimax quantum state estimation under Bregman divergence -
July
4
(Wed)
12:30pm,
Nicholas
Bornman (University
of
the
Witwatersrand)
Ghosts in Optics -
June
15
(Fri)
2:00pm
in
QNC0101,
Prof.
Alain
Tapp (Univ. de Montreal
and
Montreal
Inst.
for
Learning
Algorithms,
MILA)
The Deep Learning Revolution in Artificial Intelligence, what it means and how you can help -
June
13
(Wed)
1:00pm,
AK
Stone Age tools for Quantum Gravity? -
May 23
(Wed)
12:00pm,
Dr.
Mihai
Nica (University
of
Toronto)
On the complexity of random functions -
May
16
(Wed)
12:00pm,
Luis
Serrano
(Udacity)
Understanding neural networks -
May 9 (Wed)
1:00pm
Free-wheeling group discussion -
May
2
(Wed)
1:00pm,
Laura
Sberna
and
Yigit
Yargit
Adiabatic Vacuum and the Cosmological Constant Problem
Winter 2018
-
Apr.
25
(Wed)
11:00am,
Prof.
Mairi
Sakellariadou (King's
College
London)
Quantum gravity, cosmological models and the gravitational wave background -
Apr.
18
(Wed)
1:00pm,
Prof.
Eduardo
Martin-Martinez
The Unruh effect without thermality -
Apr.
11
(Wed)
12:00pm,
David
Layden (MIT)
Quantum sensing, noise, and frequency filtering -
Apr.
10
(Tue)
1:30pm,
at
the
IQC,
in
room
QNC1501,
David
Layden (MIT)
Error-corrected quantum sensing -
Apr.
4
(Wed)
1:00pm,
Ding
Jia
Does the Unruh effect actually exist in Nature? -
Mar.
29
(Thu)
2pm,
Alejandro
Pozas,
ICFO,
Barcelona,
Spain
Artificial Intelligence Augmentation: Catching the wave of Machine Learning to tackle problems in Quantum Information -
Mar.
28
(Wed)
1:00pm,
Nadine
Stritzelberger
1+1 Dimensional inverse spectral geometry -
Mar.
21
(Wed)
1:00pm,
Jason
Pye
Covariant bandlimitation and generalized uncertainty principles -
Mar.
21
(Wed)
3:30pm,
Rob
Spekkes,
David
Schmid
(PI)
Seminar held jointly, in MC6486, with Edu's and Robb's groups
Why initial system-environment correlations do not imply the failure of complete positivity -
Mar. 14
(Wed)
1:00pm, Maria
Papageorgiou
On the Malament Theorem -
Mar.
7
(Wed)
1:00pm,
Maria
Papageorgiou
Detectors in Spacetime -
Feb.
28
(Wed)
1:30pm,
Nitica Sakharwade
Paradoxical musings: Ravens and the Thimblerig game -
Feb.
21
(Wed)
1:30pm, Nayeli
Azucena
Rodriguez-Briones
Heat bath algorithmic cooling with elementary thermal operations -
Feb.
14 (Wed)
1:30pm,
Guillaume
Verdon-Akzam
A quantum algorithm to train neural networks using low-depth circuits -
Feb.
7
(Wed)
1:30pm,
Dr.
Marco
Letizia
Quantum matter in quantum space(time) -
Jan.
31
(Wed),
2pm,
Dr.
William
Donnelly
(PI)
How much quantum information is in a particle's gravitational field? -
Jan.
22
(Mon),
2:30pm,
in
room
QNC0101,
Dr.
Elizabeth
Crosson (CalTech)
Quantum annealing vs classical optimization -
Jan.
18
(Thu),
2:30pm,
Prof.
Andreas
Hilfinger (Univ.
of
Toronto
at Mississauga)
Stochastic models in cell biology: how they fail and why we need them
(This talk will be a colloquium and will take place in room MC5501) -
Jan.
17
(Wed),
10:30am,
in
room
MC6460,
Prof.
Jorma Louko
(University
of
Nottingham,
U.K.)
Perpetual motion no-go theorem for Lorentz-violating black holes
Fall 2017
-
Dec.
6
(Wed),
2pm,
Dr.
Alvaro
Martin
Alhambra
(PI)
Entanglement fluctuations -
Nov.
29
(Wed),
2pm,
Aidan
Chatwin-Davies
(CalTech)
Hilbert space measures and holography -
Nov.
22
(Wed),
9am-12pm,
Dr.
Juergen Gerhard
(Maplesoft)
Introduction to coding with Maple -
Nov.
20
(Mon),
2pm,
Prof.
Ali
Ghodsi
(UW
Math)
Aspects of machine learning -
Nov.
13
(Mon),
12pm,
Dr.
Valentina
Baccetti (Macquarrie University,
Sydney,
Australia)
Effects of black hole radiation: horizon avoidance? -
Nov.
9
(Thu),
1:30-4:30pm,
Dr.
Juergen
Gerhard
(Maplesoft)
Introduction to symbolic computation with Maple -
Nov.
8 (Wed),
2pm,
AK
Superoscillations -
Nov.
1 (Wed),
2pm,
Lucas
Hackl (Penn
State)
Linear growth of the entanglement entropy and the Kolmogorov-Sinai rate -
Oct.
25
(Wed),
2pm,
Dr.
Angelika
Fertig
(PI)
Quantum Tunneling with a Lorentzian Path Integral -
Oct.
19 (Thu),
2pm,
Nitica
Sakharwade
Bidirectional Teleportation and Dense Coding in the Butterfly network -
Oct.
11 (Wed),
2pm,
Nadine
Stritzelberger
Gravitational closure of matter field equations -
Oct.
10
(Tue),
1pm,
Koji
Yamaguchi
(Tohoku
University,
Sendai,
Japan)
Entanglement Beyond Page Curves in Black-hole Evaporation Qubit Model -
Oct.
4
(Wed), 10:00am, Dr.
Katja
Ried,
(QIC,
University
of Innsbruck,
Austria)
Fish, robots and free will: what we can learn by building agents that learn for themselves -
Oct. 2 (Mon), 2pm,
Georgios Styliaris (USC,
Los
Angeles)
Coherence generating power of quantum dephasing processes -
Sep.
21
(Thu),
1:30pm,
MC6486,
AK,
Nicholas
Pun
and
Rob
Martin talk in
the local
number
theory
seminar
Amplified foreshadowing of jumping champions -
Sep.
20
(Wed),
4pm
(Sky
Room,
PI),
AK
and
Eduardo
Martin-Martinez
give
a
talk to
PI's
PSI
students.
Current topics of research -
Sep.
14
(Thu),
2pm,
Guillaume Verdon-Akzam
Qubits from It: Quantum Field Sampling, Compression, and Teleportation -
Sep.
7
(Thu),
2pm
in
PI's
Sky
Room. AK
talks
in
PI's
Cosmology
group
Covariant information-theoretic natural ultraviolet cutoff and the CMB -
Sep.
1
(Thu),
12pm. (PI
Bistro,
2nd
floor)
AK
talks
to
PI's
new
PSI
students
Overview of current topics of research
Spring / Summer 2017
-
Aug.
30
(Wed),
10am,
in
MC5479
Prof.
Luis
Garay
(Universidad
Complutense
de
Madrid)
Gravitational-wave echoes from macroscopic quantum gravity effects -
Aug.
18
(Fri),
10:30am,
Dr.
Chris
Ferrie
(U.
of
Tech.
Sydney)
The Problematization of Randomized Benchmarking -
July
21
(Fri),
10am,
MC6460, Mikhail
Panine
Ph.D. defense -
July 12 (Wed), 2pm,
Laurel
Stephenson-Haskins
(UC
Santa
Cruz)
Hybrid Inflation and the Spectral Index -
June
27
(Tue),
2pm,
Prof.
Adrian
Lupascu (IQC)
Introduction to implementations of quantum annealing, and current work -
June
23
(Fri),
2pm,
Dr.
Fabio
Costa
(Univ.
of
Queensland,
Australia)
A no-go theorem for superpositions of causal order -
June
22 (Thu),
2pm,
Prof.
Ghazal
Geshnizjani (UW,PI)
Getting Super-Excited with Modified Dispersion Relations -
June
15
(Thu),
11am,
Flaminia
Giacomini (Univ.
of
Vienna,
IQOQI))
Quantum systems as reference frames -
June
13 (Tue),
12pm,
Prof.
Vijay Ganesh
(UW-ECE)
SMT Solvers for Software Engineering and Security -
June
5
(Mon),
2pm,
Aidan
Chatwin-Davies (CalTech)
A Holographic No-Hair Theorem from the Generalized Second Law for Cosmology -
May
31 (Wed),
2:00pm,
Dr.
Daniel
Guariento
(PI)
Hamiltonian analysis of the cuscuton
Winter 2017
-
April
26
(Wed),
3:30pm,
Daniel
Grimmer
Open dynamics under rapid repeated interaction -
Mar.
22
(Wed),
11am,
QNC0101,
Prof.
Mohammad Ansari (Delft
University
of
Technology,
the
Netherlands)
Entropy measurement in quantum systems -
Mar.
21
(Tue),
1pm,
Maria
Papageorgiou
The 'weight' of entanglement, and the validity limits of semiclassical gravity -
Mar.
14
(Tue),
2pm,
Guillaume
Verdon-Akzam
Maximal entanglement breaking via measurement of quantum fields -
Mar.
7
(Tue),
12:30pm, Nayeli
Azucena
Rodriguez-Briones
Correlation-Enhanced Algorithmic Cooling -
Feb.
28
(Tue),
2:30pm,
Prof.
Jose
A.
Zapata
(UNAM,
Mexico
and
UW)
On holography and gauge degrees of freedom -
Feb.
22
(Wed),
11am,
room
MC6486,
Prof.
Markus
Aspelmeyer (Univ.
of
Vienna,
Austria)
Entanglement through Gravity: crazy but how crazy? -
Feb.
15 (Wed),
2:30pm,
Prof.
Yidun
Wan
(Fudan University,
Shanghai)
Ground State Degeneracies of Topological Orders on Open Surfaces via Anyon Condensation -
Feb.
14
(Tue),
2pm,
Ding
Jia
Natural entanglement cutoff from indefinite causal structure -
Jan.
31
(Tue),
2:30pm,
Prof.
Lorenzo
Fatibene
(Univ.
of
Turino,
Italy)
Ehlers-Pirani-Schild axiomatics for gravity and extended theories of gravitation -
Jan.
16
(Mon),
10am,
in
MC6460,
Prof.
Niayesh
Afshordi
(UW,
PI)
Echoes from the Abyss: Evidence for Planck-scale structure at black hole horizons -
Jan.
16
(Mon),
1pm,
MC5501,
Prof.
Jorma
Louko
(Univ.
of
Nottingham,
U.K.)
Smooth and sharp creation of a pointlike source in quantum field theory -
Jan.
13,
(Fri),
2pm,
Jason
Pye
Quantum Hamiltonian Complexity, Area Laws and Holography
Fall 2016
-
Dec.
15,
(Thu),
2pm,
in
MC6460,
Guillaume
Verdon-Akzam
Master's defense -
Dec.
13,
(Tue),
2pm,
Nayeli
Azucena
Rodriguez
Briones
Quantum Energy Teleportation for Algorithmic Cooling -
Dec.8,
(Thu),
11am,
Paul
Tiede
Bow ties in the sky -
Dec.
7,
(Wed.),
2pm,
Hau-tieng
Wu
(Univ.
of
Toronto)
When time series analysis meets manifold learning -
Nov.
24,
(Thu),
10am,
Ding
Jia
Theories with indefinite causal structure -
Nov.
17,
(Thu),
10am,
Kiran Khosla
(Univ.
of
Queensland
and
UW)
Testing classical channel gravity with quantum clocks -
Nov.
15,
(Tue),
12pm,
Jason
Pye
Information-theoretic ultraviolet cutoffs for quantum field theory -
Nov.
10,
(Thu),
10am,
Dr. Dennis
Raetzel
(Univ.
of
Vienna)
Gravitational Properties of Light -
Oct. 27
(Thu),
10am,
Sasha
Agne
(IQC)
Observation of genuine three-photon interference -
Oct.
26
(Wed),
2:00pm,
Dr.
Eric
Brown
(Institute
of
Photonic
Sciences
(ICFO),
Barcelona,
Spain)
Gaussian-passivity: practical limitations on quantum energy extraction -
Oct. 14
(Fri.),
Prof.
Alexander
Gutfraind
(U.
of
Illinois,
Chicago
and
Uptake
Technologies)
-
2-3pm,
in
QNC1501
Mathematical Emergencies: Dynamic and Network-based Methods in Infectious Disease Epidemiology -
3:30-4:30pm
in
QNC1501
(Colloquium)
Math on the frontlines : applications of complex systems methods in
conflict research
-
2-3pm,
in
QNC1501
-
Oct.
11
(Tue),
2pm,
Michael
Florian
Wondrak (Frankfurt
Institute
for
Advanced
Studies)
- Unparticle Effects on Black Holes and the Hydrogen Atom
-
Oct.
6
(Thu),
10am,
Markus
Mueller
(PI,
Western
University)
An operational approach to spacetime symmetries: Lorentz transformations from quantum communication -
Sept.
22
(Thu),
2pm,
Emma
MacKay
The effective size of a superconducting qubit
Spring/Summer 2016
-
August
12
(Fri.),
11am,
Prof.
Ted
Jacobson
(Univ.
of
Maryland)
Is the vacuum maximally entangled? -
August
11,
10am,
MC6486,
Jason
Pye
Comprehensive seminar -
August
10
(Wed.),
11am,
Prof.
Karen
Yeats
(Simon
Fraser
/
UW)
Chord diagrams and Dyson Schwinger equations -
August
8
(Mon),
9am,
Ding
Jia,
Taylor
Zhang,
Nicholas
Pun
Summer research project presentations: Integration by differentiation, Time-varying bandwidth filtering for the SKA telescope project, Shannon analysis of jumping champions of prime numbers. -
August
4
(Thu),
10am,
David
Layden
Master's defense. -
August
3
(Wed.),
2pm,
Guillaume
Verdon-Akzam
Holographic quantum error correcting codes -
July
28
(Thu),
1pm,
Robert
Jonsson
Ph.D. Defense -
July
6
(Wed.),
11am,
room
QNC
1501,
Dr.
Valentina
Baccetti
(Macquarrie
University)
Clausius entropy for bifurcate null surfaces and its application to the thermodynamic derivation of the Einstein equations -
June
29
(Wed.),
3pm,
Aidan
Chatwin-Davies
(CalTech)
Demystifying Wheeler-de Witt -
June
21-24
We are hosting the RQI-N2016 conference at the IQC! -
June
20th
(Mon.),
11am,
Jason
Pye
and
Aida
Ahmadzadegan
Test run of conference talks -
June
15th
(Wed.),
11am,
Prof.
Eduardo
Martin-Martinez
Low energy signatures of Causal sets and other Lorentz invariant Non-Local Theories -
June
8th
(Wed.),
3:30pm,
Alfred
Shapere
(University
of
Kentucky)
Quantizations of time crystals -
June
3rd
(Friday),
2pm,
Dr.
Stefan
Nimmrichter
(Singapore
National
University)
Macroscopicity of Quantum Experiments -
June
2nd
(Thursday),
PSI
Master's
defenses
at
PI
11am: Maria Papegeorgiou, On the implementation of a covariant ultraviolet cutoff
2pm: Leilee Chojnacki, A new approach to superoscillations -
May
11
(Wednesday),
10am,
Guillaume
Verdon-Akzam
Black Hole Complementarity: Beyond Semiclassicality -
May
5
(Thursday),
11am
in
room
400
at
PI,
Dr.
William
Donnelly
(UCSB)
Entanglement of Spacetime
Winter 2016
-
April
21st
(Thursday),
10:30am,
room
QNC1501,
AK
talks
at
the
Indian
Canadian
Research
Colloquium
How to integrate by differentiating -
April
20th,
10:30am,
Prof.
Sukhdev
Roy
(Dayalbagh
Educational
Institute,
Agra,
India)
Optical Information processing with natural photoreceptor proteins -
April 13th,
11am,
Maria
Papageorgiou
(UW,PI)
On energy conditions and entanglement inequalities -
April
6th,
11am,
Yasaman
Yazdi
(UW,PI)
Entanglement entropy in causal set theory -
March
23rd,
11am,
Daniel
Grimmer
Emergence of open dynamics from general repeated interactions, and its applications -
March
16:
2:30pm, Prof. José A. Zapata (UNAM, Mexico)
Observable currents
10:00am, Jon Herman, (Pure Math, UW)
On Noether's theorem and the Legendre transform -
March
10,
(Thursday),
1:30pm,
Jason
Pye,
David
Layden,
Guillaume Verdon-Akzam
Test runs of March Meeting talks -
March
9,
12
noon,
Meenu
Kumari
(UW
/
WLU)
In search of quantum analogs of classical chaos and synchronization -
March
2,
10am,
András
Molnár
(Max
Planck
Institute
for
Quantum
Optics,
Garching,
Germany)
Rapid adiabatic generation of Gibbs states -
February
24,
4:30pm,
Nayeli
Azucena
Rodriguez
Briones
(IQC)
Heat-Bath algorithmic cooling with correlated qubit-environment interactions -
February
17,
2pm,
Naoki
Watamura
(UW
/
Nagoya
University,
Japan)
Introduction to entanglement entropy of gauge fields and its boundary condition
February 17, 11am, Eric Hanson (McGill)
Landauer's principle in repeated interaction systems (slides) -
February
10,
12:30pm,
Yongmin
Cho
(Chinese
Academy
of
Sciences,
Lanzhou)
Abelian Decomposition of Einstein’s Theory -
February
3,
11am,
Guillaume
Verdon-Akzam
Asymptotically limitless quantum energy teleportation. -
January
20,
11am,
Alvaro
Alhambra
(University
College
London)
On quantum thermodynamics -
January
13
(Wed.),
11am,
Prof.
Jorma
Louko
(University
of
Nottingham)
Low energy Lorentz violation for high-energy mode field dispersion
Fall 2015
-
December
15,
10:30am
(PHYS352),
Cohl
Furey
Ph.D. defense -
November
18,
11am,
Dr.
Electra
Eleftheriadou
(IQC)
How to amplify perfectly (just not every time) -
November
16,
4pm,
David
Layden
and
Nayeli
Rodriguez
(IQC)
Indirect quantum control. Strong local passivity. -
November
12,
5pm,
AK
talks
to
PM-AM-C&O
Club
How to integrate by differentiating and other wild new math inspired by physics and engineering. -
November
4,
11am,
Dr.
Eric
Brown
(Barcelona)
What does it mean for half of an empty box to be full? -
October
27,
2pm,
Simon
Foreman
(Stanford)
The effective field theory of cosmological large scale structure -
October
14,
11am,
Natacha
Altamirano
(UW,PI)
Continuous quantum measurements and feedback -
October
7
(Wednesday),
11am,
Dr.
Josh
Combes
(UW,
PI)
Times They Are A-Changin’: characterizing time dependent sources and gates -
September
23
(Wednesday),
11am,
Dr.
Chris
Ferrie
(University
of
Sydney,
Australia)
Self-guided quantum systems -
September
16
(Wednesday)
11am,
Katja
Ried
(UW,
PI)
On causality in quantum theories -
Sept. 12 (Saturday)
5:00pm,
Mikhail Panine (at
Perimeter
Institute)
Numerical spectral geometry
Workshop Noncommutative Geometry and Physics -
Sept. 12
(Saturday)
4:15pm, AK
(at
Perimeter
Institute)
Infinitesimal spectral geometry
Workshop Noncommutative Geometry and Physics -
Sept. 1
(Tuesday),
2pm,
Aidan
Chatwin-Davies
(CalTech)
How to retrieve a qubit from a black hole
Spring/Summer 2015
-
August
25th,
(Tuesday),
2pm,
Pablo
Rodriguez-Lopez
(CNRS,
Paris
XI)
Stochastical approach to the Casimir effect -
August
12th
(Wednesday),
2pm,
Prof.
Benni
Reznik
(Tel
Aviv
University)
Superoscillations underlying remote state preparation for relativistic fields -
August
12th
(Wednesday),
10am,
Prof.
Masahiro Hotta
(Tohoku
University,
Sendai,
Japan)
The fall of black hole firewalls -
August
11 (Tuesday), 2pm,
Dr.
William Donnelly (UCSB)
Entanglement entropy and the electromagnetic field -
July
14
(Tuesday),
4pm,
Prof.
Gaetano Fiore
(Universita'
di
Napoli
and
INFN)
Laser-driven acceleration mechanisms of plasma electrons, and the slingshot effect -
June
24
(Wednesday),
10:30am,
Prof.
Valerio
Scarani
(National
University
of
Singapore)
Quantum Randomness -
June 23
(Tuesday),
4pm,
Lucas
Hackl
(Penn
State)
Entangled spin network states in Loop Quantum Gravity -
June
18
(Thursday),
12pm,
Dr.
Mercedes
Martin-Benito (Radboud
Universiteit
Nijmegen,
Netherlands)
Gauge-invariant formulation and hybrid quantization of flat FRW cosmologies with linear perturbations -
June
11
(Space
Room,
PI),
2:30pm,
AK
How to (path) integrate by differentiating -
June
9,
2pm,
Dr.
Bruno
Hartmann
(Humboldt
University
Berlin)
Operationalization of Basic Observables in Classical and Relativistic Dynamics -
May
19,
4:30pm,
Prof.
Luis
Garay
(Universidad
Complutense
de
Madrid)
Do stars die too long? -
May
19,
(MC6496),
2pm,
Mikhail
Panine
Comprehensive exam -
May
13,
(Time
room,
PI),
11am,
Achim
speaks
at
Perimeter
Institute
conference
Information-Theoretic
Foundations
for
Physics
What if Nature is Bandlimited by a Planck-scale cutoff? -
May
12,
2pm,
Prof.
Silke
Weinfurtner
(University
of
Nottingham)
Hydrodynamic simulation of black holes -
May
7,
11am,
Guillaume
Verdon-Akzam
High-dimensional Quantum Key Distribution using Orbital Angular Momenta of Photons -
May
5, 2pm,
Robert Jonsson
On Quantum Speed Limits
Winter 2015
-
Apr.
27,
11am,
Prof.
Sabine
Hossenfelder
(Nordita,
Stockholm)
Analog Duality -
Apr.
22,
11am,
Mikhail
Panine
On heat kernel methods -
Apr.
15,
11am,
Prof.
Chris
Bauch
Mathematical modelling of coupled disease-behaviour dynamics, with application to childhood vaccine scares -
Apr.
1,
11am,
Emma
McKay
(IQC)
Random State production in quantum chaos -
Mar.
26
(Thursday),
10am,
Nayeli
Rodriguez
(IQC)
Achievable polarization for Heat-Bath Algorithmic Cooling -
Mar.
18,
10:30am,
Prof.
Eduardo
Martin-Martinez
The Anti-Unruh effect, and weakness of firewalls -
Mar.
11,
11am,
Prof.
Roger
Melko
(UW,
PI)
Quantum Monte Carlo and Entanglement Entropy -
Mar.
4,
11am,
Yasaman
Yazdi,
(UW,PI)
Firewall Phenomenology with Astrophysical Neutrinos -
Feb.
18,
2pm,
Prof.
Masahiro
Hotta
(Tohoku
University,
Sendai,
Japan)
On Quantum Energy Teleportation -
Feb.
18,
11am,
Mehdi
Saravani
(UW,
PI)
Dark matter from spacetime nonlocality -
Feb.
18,
10:30am,
David
Layden
Test run of talk at APS meeting. -
Feb.
11,
11am,
Guillaume
Verdon-Akzam
Quantum energy teleportation in squeezed vacua -
Feb.
4,
11am,
Guillaume
Verdon-Akzam
Quantum energy teleportation and the controlled Hawking process -
Jan.
28,
11am,
Robert
Jonsson
Matrix product states -
Jan.
21,
11am,
Guillaume
Verdon-Akzam
On the recovery of quantum information from black holes -
Jan.
15,
11am,
Prof.
Jorma
Louko
(Univ.
of
Nottingham)
Superconducting circuit boundary conditions beyond the Dynamical Casimir Effect -
Jan.
14,
11am,
Dr.
Casey
Myers
(Univ.
of
Queensland,
Australia)
Vibrationally Enhanced Quantum Transport -
Jan.
7,
11am,
Prof.
Jorma
Louko
(Univ.
of
Nottingham,
U.K.)
How long does it take Unruh de Witt detectors to thermalize? - Achim in Australia and New Zealand for lectures, talks and conferences (at UWA, U. Sydney, UQ, RQI-S2014 and CosPa2014).
-
September
24,
1:30
pm:
Marius
Oltean
Cosmological perturbations in antigravity -
September
11,
2:00
pm:
Oleg
Kabernik
Quantum reference frames and the Poincaré symmetry -
September
3,
2:30
pm:
Alejandro
Pozas
(Perimeter
Scholars
International
(PSI)
of
the
Perimeter
Institute
for
Theoretical
Physics
(PI))
Hot electrons as the source of photocurrent in graphene
Spring/summer 2014
-
August
29,
11:00
am:
Prof.
Shih-Yuin
Lin
(Chang
Hua
University,
Chang
Hua
and
Academia
Sinica,
Taipei)
Unruh effect under non-equilibrium conditions -
August
27,
2:30
pm:
Aidan
Chatwin-Davies
(California
Institute
of
Technology),
AdS/MERA and beyond -
August
25,
2:30
pm:
Daniel
Huemmer
(Universities
of
Waterloo
and
Heidelberg),
On Unruh-DeWitt detectors -
August
14,
2:00
pm:
Eduardo
Martin-Martinez,
Review of quantum energy teleportation -
August
13,
2:30
pm:
Jeremy
Sakstein
(Cambridge
University,
U.K.)
Testing theories of modified gravity using astrophysics -
August
6,
2:30
pm:
Nathan
Killoran
(University
of
Ulm,
Germany),
Extracting entanglement from identical particles -
July
11,
1:30
pm:
William
Donnelly
and
Jason
Pye,
On the continuous wavelet transform -
July
9,
2:00
pm:
Shane
Farnsworth,
(University
of
Waterloo,
PI),
Predictions of non-commutative geometry: the sigma field -
July
2,
2:30
pm:
Daniel
Guariento
(Universidade
de
São
Paulo
and
PI),
Evolution of cosmological black holes: exact solutions, accretion and scalar fields -
July
2,
11:00
am:
William
Donnelly,
On methods for calculating entanglement entropy -
June
24,
10:00
am:
Robert
Martin
(University
of
Cape
Town),
On the dilation of quantum channels -
June
4,
2:30
pm:
Cohl
Furey
(University
of
Waterloo,
PI),
Charge quantization from a number operator -
May
23,
2:30
pm:
Hans
Westman
(Instituto
de
Física
Fundamental,
(CSIC),
Madrid,
Spain),
Signature change, dark energy, and Cartan gravity with dynamical symmetry breaking -
May
7,
10:00
am:
Prof.
Fedele
Lizzi
(University
of
Napoli,
Italy),
Quantum spacetime, the view from below
Winter 2014
-
April
30:
Nick
Menicucci
(University
of
Sydney),
Continuous-variable cluster states: powerful extensible cluster states -
April
24,
10:00
am:
Angus
Prain
(Bishop's
University,
Sherbrooke,
Quebec),
Building a black hole in the bathroom or otherwise -
April
23:
Shane
Farnsworth
(University
of
Waterloo,
PI),
Applications of non-associative geometry -
April
16:
Aharon
Brodutch
(Institute
for
Quantum
Computing
(IQC)),
Weak measurements and the two-state vector formalism -
April
2:
Achim
Kempf,
New Dirac delta function methods for perturbative expansions in quantum field theory and beyond -
March
26:
Prof.
Barry
Sanders
(University
of
Calgary),
Evolutionary algorithms for hard quantum control -
March
19,
2:30
pm:
Guillaume
Verdon-Akzam
(McGill
University),
On the Unruh vacuum -
March
19,
11:00
am:
Prof.
William
Kinney
(State
University
of
New
York
(SUNY)
Buffalo),
Review of the BICEP2 results and their implications for inflationary cosmology and quantum gravity -
March
14,
12:45
pm:
Prof.
Enrique
Solano
(University
of
the
Basque
Country,
Spain),
New perspectives in quantum simulations -
March
12:
Marvellous
Onuma-Kalu
(University
of
Waterloo,
PI),
Mode invisibility and single photon detection -
March
5:
Siavash
Aslanbeigi
(University
of
Waterloo,
PI),
The causal set - continuum correspondence -
February
26,
2:30
pm:
Hilary
Carteret
Computationally accessible bounds for the negativity using replicas -
February
19,
2:00
pm:
Philipp
Hoehn
(PI),
Quantization of systems with temporally varying discretization -
February
12,
2:30
pm:
Siavash
Aslanbeigi
(University
of
Waterloo,
PI),
Causal set d'Alembertians: continuum limit, spectrum, stability, and a new regulator for QFT -
February
12,
10:30
am:
Josh
Combes
(University
of
New
Mexico),
Limitations of quantum amplifiers -
February
5:
Cohl
Furey
(University
of
Waterloo,
PI),
Generations: three prints, in colour -
January
29,
2:30
pm:
Nosiphiwo
Zwane
(University
of
Waterloo,
PI),
Propagation of particles in the discrete spacetime of causal set theory -
January
22,
2:30
pm:
Bianca
Dittrich
(PI),
Diffeomorphism symmetry in the discrete and perfect discretizations -
January
15:
Prof.
Jorma
Louko
(University
of
Nottingham),
Particle detectors near and beyond black hole horizons -
January
8:
Nick
Menicucci
(University
of
Sydney,
Australia),
Acceleration-assisted entanglement harvesting and rangefinding
Fall 2013
-
December
18,
10:30
am:
Mikhail
Panine
Jet spaces and nonlinear PDEs -
December
13,
10:30
am:
Juan
Jose
Garcia-Ripoll,
Detecting majorana fermions and topological order in optical lattices -
December
12,
2:30
pm,
Time
Room
at
PI:
Achim
Kempf,
Curvature in terms of entanglement -
December
12,
12:00
pm:
Eduardo
Martin-Martinez,
Topics in quantum information II -
December
11,
10:30
am:
Jason
Pye,
From generalized uncertainty and commutation relations to sampling in QFT -
December
4,
1:30
pm:
Eduardo
Martin-Martinez,
Topics in quantum information I -
December
4,
10:30
am:
Daniel
Huemmer,
Weak measurements -
November
27,
10:30
am:
Robert
Jonsson,
Quantum theory of amplifiers -
November
25,
4:00
pm:
Aristide
Baratin,
Research proposal test run: combinatorial methods for quantum gravity -
November
20,
10:30
am:
Achim
Kempf
introduces
three
topics
for
journal
club:
Quantum amplifiers, Weak measurements, and Uncertainty and sampling -
November
13,
10:30
am:
Robert
Jonsson,
Review of a new paper by Pitkovski et al on gravitational decoherence -
November
11,
2:00
pm:
Maite
Dupuis,
Applications of Poisson Lie group -
November
6,
10:30
am:
Michael
Hartz,
Introduction to C* algebras -
November
4,
2:00
pm:
Prof.
Florian
Girelli,
Introduction to Poisson Lie groups -
October
30,
9:30
am:
Eric Brown's qualifier from 11:00 am -
October
23,
10:30
am:
Ghazal
Geshnizjani,
Can non-local or higher derivative theories provide alternatives to inflation? -
October
21,
2:00
pm:
Aristide
Baratin,
A hint of group field theory -
October
16,
10:30
am:
Yasaman
Yazdi
(PI),
A spacetime approach to computing entropy -
October
9,
10:30
am,
MC
6334:
Latham
Boyle
(PI),
The standard model from non-commutative geometry; and the non-associative extension -
October
2,
10:30
am,
MC
6331:
Katja
Ried
(PI),
Causal models: classical and quantum -
September
20,
2:00
pm,
MC
6334:
Prof.
Tim
Ralph
(University
of
Queensland,
Australia),
Relativistic quantum optics - September 18, 10:30 am, MC 6334: Aida Ahmadzadegan (University of Waterloo); William Donnelly, Test runs of Banff conference talks
Visitors
- Prof. Timothy Ralph (University of Queensland)
- Nick Menicucci (University of Sydney)
Spring/summer 2013
-
August
19,
2:00
pm,
MC
5158:
Master's thesis defense by Aidan Chatwin-Davies.
Examiners: Girelli, Afshordi, and Kempf. Chair: Scott. -
August
14,
10:30
am:
Chris
Sutherland,
On the role of locality in epistemic models -
August
12,
10:00
am,
MC
5158:
Master's thesis defense by Eric Webster.
Examiners: Nayak, Koenig, and Achim Kempf. -
August
7,
10:30
am:
Fabio
Grazioso
(University
de
Montreal),
Uses of NV defects in diamonds: qubits, entanglement, single photon sources and QKD -
July
31,
10:30
am:
Eric
Webster,
High energy modifications of blackbody radiation and dimensional reduction -
July
10,
10:30
am:
Journal Club and report on RQI-N from Robert -
June
26,
10:30
am:
Michael
Rouben,
Scalar field perturbations in a bounce cosmology -
June
19,
2:00
pm,
Gravity
Room
at
PI:
Robert
Jonsson,
Quantum signalling with Unruh-DeWitt detectors -
June
12,
10:30
am:
William
Donnelly,
Euclidean Maxwell theory in curved spacetime -
June
5,
2:00
pm,
meet
in
the
atrium
at
PI:
Robert
Martin
(University
of
Cape
Town)
Representation theory of symmetric operators -
May
30,
4:00
pm:
John
Klauder
(University
of
Florida)
Completing canonical quantization -
May
29,
10:30
am:
Xian
Ma
(IQC)
Envariance: environmental assisted invariance -
May
6,
3:30
pm:
Aidan
Chatwin-Davies,
On the vacuum and path integrals
Winter 2013
-
April
29,
3:30
pm:
Razieh
Pourhasan
(PI),
On holographic entanglement entropy -
April
22,
3:30
pm,
Mike
&
Ophelia
Lazaridis
Quantum-Nano
Centre
(QNC)
B201:
Dr.
William
Donnelly
Einstein-aether inflation -
April
8,
3:30
pm:
Aron
Wall,
(UC
Santa
Barbara),
Maximin surfaces and holographic entanglement entropy -
April
1,
3:30
pm:
Journal Club -
March
25,
3:30
pm:
Yigit
Subasi
(University
of
Maryland),
Equilibration in the strong coupling regime -
March
18,
3:30
pm:
Projects update -
March
4,
3:30
pm:
Journal Club -
February
25,
3:30
pm:
Aharon
Brodutch
(IQC),
Quantum discord -
February
11,
3:30
pm:
Journal Club -
February
4,
3:30
pm:
Hilary
Carteret
(PI),
Some semi-classical relativistic effects that may be relevant to R-QIP using Unruh- squeezed states -
January
28,
4:30
pm:
Eugenio
Bianchi
(PI),
Black hole entropy from graviton entanglement -
January
21,
3:30
pm:
10 minute summaries
Fall 2012
-
December
14,
10:00
am:
Journal Club -
December
7,
9:00
am:
Luis
Garay
(Universidad
Complutense
de
Madrid),
Black holes: to be or not to be, that is the question -
November
30,
10:30
am:
Mehdi
Saravani,
Empty black holes, firewalls, and the origin of Beckenstein-Hawking entropy -
November
23,
10
am:
Eric
Webster,
Introduction to prolate spheroidal wavefunctions -
November
16,
10:30
am:
Journal Club -
November
9,
10:00
am:
Mikhail
Panine,
Progress report: numerical exploration of inverse spectral geometry for a set of surfaces in R3 -
November
2,
10:00
am:
Eduardo
Martin-Martinez,
Processing quantum information with relativistic motion of atoms -
October
26,
10:45
am:
Robert
Jonsson,
Causal femion systems and the fermionic projector -
October
19,
11:00
am:
Aidan
Chatwin-Davies,
A fully-covariant natural ultraviolet cutoff in inflationary spacetimes -
October
12,
10:00
am:
Journal Club
Spring/summer 2012
-
August
23,
3:00
pm:
Dr.
Ghazal
Geshnizjani,
Scale-invariant perturbations without inflation, yes or no? -
August
23,
12:00
pm,
Research
Advancement
Centre
(RAC)
2009:
Thomas
Blasi
(Harvard),
Coherent control of charge states in coupled quantum dots -
August
22,
11:00
am:
Dr.
Robert
Koenig,
Limits on classical communication over quantum channels and their cryptographic use -
August
15,
11:00
am,
Dr.
Ghazal
Geshnizjani,
Survey of issues in inflationary cosmology -
July
13,
11:30
am:
Nick
Menicucci
(University
of
Sydney),
Acceleration-assisted entanglement harvesting -
July
4,
11:00
am:
Jaques
Pienaar
(University
of
Queensland),
Quantum experiments in gravitational fields may lead to more than just decoherence -
June
22,
2:00
pm:
William
Donnelly
(University
of
Waterloo,
University
of
Maryland),
On the entanglement entropy of gauge fields -
June
21,
2:00
pm:
David
Aasen,
Aidan
Chatwin-Davies,
and
William
Donnelly,
Test runs of their conference talks next week. -
June
21,
11:00
am:
Sebastian
Probst
(Karlsruhe
Institute
of
Technology,
Germany),
Towards an erbium quantum memory for superconducting qubits -
June
19,
11:00
am:
Laurel
Haskins-Stephenson
(UCSC),
two
half-length
talks
on
Introduction to holography and Aspects of spectral geometry -
June
18,
11:00
am:
Lucas
Hackl
(PI),
Symplectic geometry, constrained systems and shape dynamics -
June
15,
4:00
pm:
Spiros
Michalakis
(CalTech),
Introduction to quasi-adiabatic evolution -
June
13,
2:30-3:00
pm:
Mercedes
Martin-Benito
(PI),
Introduction to loop quantum cosmology, -
June
13,
3:15-3:45
pm:
Sammy
Ragi
(University
of
Nottingham),
The nature of correlations in ghost imaging -
June
6,
2:00
pm,
University
de
Montreal:
Achim Kempf talks at Workshop on Geometry of Eigenvalues and Eigenfunctions. -
May
31,
11:00
am:
Tejal
Bhamre
(Princeton
University),
On colored graphs -
May
25,
3:00
pm,
Sky
Room
at
PI:
Achim
Kempf
talks
in
PSI
seminar,
How spacetime could be simultaneously continuous and discrete, in the same way that information can be -
May
24,
2:00
pm:
Prof.
John
Klauder
(University
of
Florida),
Affine quantum gravity: review and recent results -
May
24,
11:00
am:
David
Aasen,
On the spectral geometry of graphs -
May
18,
2:00
pm:
Eduardo
Martin-Martinez,
The Unruh-Dewitt detector model and its use in relativistic quantum information
Winter 2012
-
April
25,
11:00
am:
Group discussion of projects -
April
19,
11:00
am:
Siavash
Aslanbeigi
(University
of
Waterloo
and
PI),
On vacuum energy in cosmology -
April
5,
11:00
am:
Chris
Ferrie,
Negativity of the Wigner function is necessary for magic state distillation -
April
2,
10:00
am:
Robert
Martin
(University
of
Cape
Town),
Reproducing kernel Hilbert spaces of square integrable functions -
March
30,
2:30
pm:
Robert
Martin
(University
of
Cape
Town),
Covariant sampling theory in cosmology -
March
29,
11:00
am:
David
Rideout
(UC
San
Diego),
Testing Quantum Theory at large length/time scales with satellites - towards the scale of spacetime curvature and beyond -
March
26,
10:00
am:
Maite
Dupuis
(ENS
Lyon,
France),
On harmonic oscillators in loop quantum gravity -
March
22,
11:00
am:
Eric
Brown
(Department
of
Physics
and
Astronomy,
University
of
Waterloo),
On quantum discord -
March
19,
10:00
am:
Group discussion of projects. -
March
15,
11:35
am:
Markus
Mueller
(PI),
Concentration of measure for quantum states with a fixed expectation value -
March
12,
9:00
am:
Eduardo
Martin-Martinez,
Review of current research projects in relativistic quantum information -
March
8,
10:00
am:
Kiril
Datchev
(Massachusetts
Institute
of
Technology
(MIT)),
On inverse spectral geometry -
March
5,
10:00
am:
Aidan
Chatwin-Davies,
Review of a paper by Datchev & Hezari on spectral geometry IV -
February
17,
10:30
am:
Robert
Jonsson,
Review of a paper by Datchev & Hezari on spectral geometry III -
February
10,
10:30
am:
Mikhail
Panine,
Review of a paper by Datchev & Hezari on spectral geometry II -
February
3,
10:30
am:
Aidan
Chatwin-Davies,
Review of a paper by Datchev & Hezari on spectral geometry I -
January
27,
10:30
am:
Eric
Webster,
On the asymptotics of superoscillations -
January
25,
9:30
am:
David
Bruschi
(University
of
Nottingham),
How cavities' motion affects entanglement -
January
20:
Jeff
Hnybida
(PI),
BF-theory and spin foam models III -
January
12:
Jeff
Hnybida
(PI),
BF-theory and spin foam models II
Fall 2011
-
December
15,
11:00
am:
Jonathan
Ziprick
(PI),
Relating loop quantum gravity and general relativity -
December
9,
11:00
am:
Mikhail,
Aidan
and
Robert,
15 minute applied functional analysis seminars. -
December
7,
11:00
am:
Yufang
Hao,
The Shannon sampling theorem: Fourier and functional analytic approach -
November
30,
4:30
pm:
Cedric
Beny
(University
of
Hannover,
Germany),
On entanglement renormalization -
November
30,
11:00
am:
Aharon
Brodutch
(Macquarie
University,
Sydney,
Australia),
Polarized photon qubits in curved space-time -
November
23,
11:00
am:
Eric
Webster,
Properties of entanglement entropy -
November
18,
11:00
am:
Alexander
Gutfraind
(University
of
Texas
at
Austin),
Aspects of network theory -
November
17,
2:30
pm,
MC
5136:
Alexander
(Sasha)
Gutfraind
(University
of
Texas
at
Austin),
Computational problems on complex networks -
November
16,
11:00
am:
Aidan
Chatwin-Davies,
On the partial trace over subsystems II -
November
11,
11:00
am:
Aidan
Chatwin-Davies,
On the partial trace over subsystems I -
November
9,
Jeff
Hnybida
(PI),
BF-theory and spin foam models I -
November
3,
10:00
am:
Eduardo
Martin-Martinez
(University
of
Madrid),
Aspects of relativistic quantum information -
November
2,
11:00
am:
Hans
Westman
(University
of
Sydney
and
PI),
Localized q-bits in curved spacetimes -
October
27,
3:30
pm:
(refreshments
in
PHY151),
4pm:
Colloquium
in
PHY151,
Prof.
John
Klauder,
(University
Florida),
Affine quantization -
October
26,
3:00
pm:
Spiros
Mikalakis
(CalTech),
Stability of frustration-free Hamiltonians II -
October
24,
11:00
am:
Aron
Wall
(UC
Santa
Barbara),
On black hole thermodynamics -
October
24,
4:00
pm,
Time
Room
at
PI:
Spiros
Michalakis
(CalTech),
Stability of frustration-free Hamiltonians I -
October
19,
10:00
am:
Chris
Ferrie,
On the sampling of probability distributions -
October
19,
11:00
am:
Federico
Piazza
(University
de
Paris
7),
Spontaneous symmetry probing states -
October
12,
11:00
am:
Prof.
John
Klauder
(University
of
Florida),
On affine quantization methods -
October
7,
10:30
am:
Prof.
Naoki
Saito
(UC
Davis),
New methods for radar and sonar - October 6, 3:30 pm: MC 5136, Prof. Naoki Saito (UC Davis), Harmonic/wavelet analysis on graphs and networks with applications
- October 5, 11:00 am: Prof. Naoki Saito (UC Davis), Laplacian Eigenfunctions that do not feel the boundary: theory, computation and applications
-
October
4,
9:00
am-12:00
pm:
Achim
Kempf,
Sampling of curvature II -
October
3,
9:00
am-12:00
pm:
Achim
Kempf,
Sampling of curvature I -
September
28,
9:00
am-12:00
pm:
Achim
Kempf,
Sampling theory -
September
21,
3:30
pm:
MC
5136:
Master's defense by Eduardo Brandao. -
September
21,
11:00
am:
Achim
Kempf,
Generalized uncertainty relations II -
September
19,
3:00
pm:
in
MC
5136:
PhD defense by Yufang Hao -
September
16,
4:00
pm:
Yufang
Hao:
Test run of his PhD defense presentation -
September
14,
11:00
am:
Achim
Kempf,
Generalized uncertainty relations I
Visitors
- Prof. John Klauder (University of Florida)
- Prof. Naoki Saito (University of California (UC) Davis)
- Spiros Michalakis (California Institute of Technology)
- Sasha Gutfraind (University of Texas)
- Aron Wall (UC Santa Barbara)
- Eduardo Martin-Martinez (University of Madrid)
Spring/summer 2011
-
August
25,
11:00
am:
David
Aasen
(McGill
University),
Creating a spin polarized wave packet -
August
24,
11:00
am:
Tejal
Bhamre
(IIT
Bombay
&
Princeton),
Jet detection algorithms using Haar wavelets -
August
18:
M.
Nica,
E.
Bembenek,
and
M.
Panine
presentations at Applied Math undergraduate research conference. -
August
18,
11:00
am:
M. Nica, E. Bembenek, and M. Panine give more trial runs of their conference talks. -
August
17,
11:00
am:
E. Bembenek and M. Panine give trial runs of their conference talks. -
June
22,
11:00
am:
Prof.
J.
Emerson,
Ontological models for quantum theory -
June
15,
11:00
am:
E.
Bembenek,
On spikes in superoscillatory waves -
June
8,
11:00
am:
R.
Pfeifer
(University
of
Queensland
and
PI),
Simulating anyons in condensed matter physics -
June
2:
11:00
am:
Mihai
Nica,
Models of competitive games and transitive versus nontransitive rankings II -
May
25:
11:00
am:
L.
Stephenson
Haskins,
and
I.
Roth,
Aspects of infinitesimal spectral geometry -
May
18,
11:00
am:
M.
Panine,
Dielectic Microresonators: applications, perturbative treatment and finite element simulation -
May
11,
11:00
am:
M.
Nica,
An evolutionary algorithm for leg dynamics,
and Eric Bembenek,
On stratified fluid flows -
May
10,
10:00
am-5:00
pm:
Summer project planning -
May
4,
2:00
pm:
Group discussion of research topics III -
May
4,
11:00
am:
M.
Nica,
Models of competitive games and transitive versus nontransitive rankings I -
May
3,
11:00
am:
Group discussion of research topics II -
May
2,
1:00
pm:
Group discussion of research topics I
Winter 2011
- April 26, 3:00 pm: Achim Kempf gives Institute for Quantum Information and Matter (IQI) colloquium talk at CalTech, Spacetime could be simultaneously continuous and discrete in the same way that information can
- April 8, 12:00 pm: Achim Kempf talks in Gravity Seminar at UC Santa Barbara, Spacetime could be simultaneously continuous and discrete in the same way that information can
- March 30, 10:00 am: Eduardo Brandao, Gauge invariant perturbations on the 2-sphere
- March 24, 11:30 am: Olaf Dreyer, On quasinormal modes of black holes
- March 4: Achim Kempf gives seminar in Department of Mathematics at University of Toronto, Infinitesimal inverse spectral geometry and applications in mathematical physics
- March 2: Alessio Orlandi (University of Bologna and Istituto Nazionale di Fisica Nucleare (INFN), Italy), A Glimpse of the Kodama vector
- February 28: Jay Olsen (University of Queensland, Australia), Timelike entanglement in the quantum vacuum
- February 24: Achim Kempf gives colloquium at the Santa Fe Institute, Spacetime could be simultaneously continuous and discrete, in the same way that information can be
- February 23: Achim Kempf gives colloquium at Los Alamos National Lab (LANL), Spacetime could be simultaneously continuous and discrete, in the same way that information can be
- February 22: Achim Kempf gives colloquium at the LANL, High Tc superconductivity and the Casimir/van der Waals effect
- February 2: F. Piazza (University de Paris 7), Modifying gravity in the Infrared by imposing an 'ultra-strong' equivalence principle
- January 26: Andy Randono (PI), Torsional Skyrmions
- January 19: Loic Markley (University of Toronto), Superresolution: theory and practice
- January 12: Florian Conrady (PI), Space as a low-temperature regime of graphs
Fall 2010
- December 20: Achim Kempf talks at Heidelberg University, Germany
- December 17: Achim Kempf talks at Albert Einstein Institute (AEI), Potsdam, Germany
- December 1: Alioscia Hamma (PI), Locality of dynamics and the structure of correlations in quantum many body systems
- November 4, 2:30 pm, MC 5136: Frederic Schuller (Einstein Institute, Golm, Germany), TBA
- October 29, 11:00 am: Alexander Gutfraind (LANL), On the resilience of networks
- October 27: Mikhail Panine, two-part talk, On gravitational lensing/On the Helmholtz equation in dielectric cavities
- October 20: Olaf Dreyer, Internal relativity: quantum gravity without quantization
- October 14, MC 5136: Prof. Almut Burchard (University of Toronto), Convergence and smoothing properties of Steiner symmetrizations and other simple rearrangements
-
October
13,
9:00
am:
mini
workshop
on
entanglement
entropy
in
quantum
field
theory.
- Speakers: Miyake, Piazza, Casini, Myers, Smolkin, and Sinha.
- October 6, 4:00 pm, Bob Room at PI: Prof. John Klauder (University of Florida), Proposal for divergence-free quantization of covariant scalar fields
- October 6: Robert Martin, (UC Berkeley), On a covariant UV cutoff in cosmology
- September 29: Eduardo Brandao, On H. Nielsen's random dynamics
- September 22: Chris Ferrie, Optimal quantum state estimation
- September 17, 11:00 am: Piero Nicolini (University of Frankfurt), Evaporating black holes in the presence of a minimal length
- September 17, 2:00 pm: Benjamin Niedner, Hausdorff dimension of particle paths inquantum spacetime
- September 17, 2:30 pm: Martin Sprenger, Neutrino oscillations in a minimal length model
- September 13: Achim Kempf talks at CITA/PI meeting in Toronto.
Visitors
- Prof. Almut Burchard (University of Toronto), October 14
- Frederic Schuller (AEI), October 26 - November 9
- Robert Martin (UC Berkeley): October 4-9 and 11-14
- Prof. John Klauder (University of Florida): October 5-8
- Alexander Gutfraind (Los Alamos National Laboratory, U.S.)
- Piero Nicolini (University of Frankfurt): September 15-October 1
- Benjamin Niedner, Martin Sprenger: September 11-18
Spring/summer 2010
- August 1-15: Achim Kempf teaches at a summer school in Ftan, Switzerland.
- July 7: Mathieu Cliche, On the propagation of quantum information in field quanta
- June 30, 3:00 pm: Tejal Bhamre, On inverse spectral geometry
- June 30, 11:00 am: David Aasen, On quantum fluctuations
- June 29, 6:00 pm: Group dinner at Mandarin Restaurant
- June 29, 11:00 am: Olaf Dreyer, Review of Sakharov's induced gravity
- June 24, 2:00 pm: Eduardo Brandao, Aspects of spectral geometry II
- June 23, 11:00 am: Michel Elnaggar, MIMO systems
- June 16: Eduardo Brandao, Aspects of spectral geometry
- June 2: Miok Park, Holographic normalization of asymptotically flat spacetimes
- June 1, 11:30 am, Physics (PHY) 235: Achim Kempf gives Physics Seminar (PHYS 10) lecture to physics undergraduates on spacetime and information
- May 26: Matt Coles (McMaster University), TBA
- May 19: Robert Pfeiffer (University of Queensland, Australia), Interacting Fibonacci anyons and defects in conformal field theory
- May 7: Andrzej Dragan (University of Warsaw, Poland), On the black hole information paradox
- May 5: Cohl Furey (PI), Unified theory of ideals
Visitor
- Prof. Robert Brout (University Libre de Bruxelles)
Winter 2010
- April 28: Olaf Dreyer, On emergent gravity
- April 7: Andy Randono (PI), TBA
- March 29: Hans Westman (University of Sydney, Australia), On the parallel transport of qubits
- March 24: Chris Ferrie, Bayesian probability in quantum theory
- March 10: Piero Nicolini, Evaporating black holes in the presence of a minimal length
- February 24: Olaf Dreyer, Internal relativity, early universe cosmology IV
- February 10: Olaf Dreyer, Internal relativity, early universe cosmology III
- February 3: Olaf Dreyer, Gravity as an entropic force - discussion of Verlinde's paper
- January 27: Eduardo Brandao, A review of spectral geometry
- January 10: Achim Kempf talks at Department of Mathematics, University of Goettingen.
Visitor
- Prof. Robert Brout (University Libre de Bruxelles)
Fall 2009
- Achim Kempf traveling in Australia and Europe
- November 17: Olaf Dreyer, Internal relativity, early universe cosmology II
- November 11: Olaf Dreyer, Internal relativity, early universe cosmology I
- October 21: Radu Ionicioiu (Hewlett-Packard Lab, Bristol, U.K.), Generalized parity measurements: an entanglement resource
- October 14: Nick Menicucci, (PI): Entangling power of an expanding universe
- October 7, 9:00 am: Kamil Bradler (McGill University): What can the Unruh effect say about the additivity of the classical and quantum capacity of cloning channels?
- September 16, 2:00 pm, Bob Room at PI: Achim Kempf talks in PI colloquium, Spacetime can be discrete and continuous, in the same way that information can
- September 9, Achim Kempf talks at King's College in the University of Western Ontario, On physics and consciousness
- September 2, Angus Prain (Scuola Internazionale Superiore di Studi Avanzati (SISSA), Italy), On superoscillations
Spring/summer 2009
- August 24: Achim Kempf talks at Emergent Gravity IV conference at UBC, (Vancouver), Spacetime could be simultaneously discrete and continuous, in the same way that information can
- August 20, MC 5136: Chuck, Peter, Raymond and Simon talk in the summer students' research conference.
- August 13: Oliver Winkler, Market efficiency
- August 12: Chuck Bronson, Filtering for time-varying bandwidths
- August 6, 11:00 am: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? VII
- August 5: Peter Forbes, On the Casimir effect in high temperature superconductors
- August 5: Raymond Su, On the design of radar signals
- July 29: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? VI
- July 23: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? V
- July 22 Mathieu Cliche, Extracting entanglement from the vacuum
- July 15: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? IV
- July 8: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? III
- July 6, 3:00 pm: Simon Foreman, On the Casimir effect in high temperature superconductors
- June 24: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? II
- June 17: Oliver Winkler, Bonds, stocks, options: how much should you pay for them? I
- June 11, 2:30 pm, PI Bistro: Achim Kempf, Information theoretic UV cutoff of spacetime II
- June 4, 2:30 pm, PI Bistro: Achim Kempf, Information theoretic UV cutoff of spacetime
- May 27, 11:00 am: Mathieu Cliche, Information flow in quantum fields
- May 20, 11:00 am: Elias Okon, On Berry phases
- May 14, 11:00 am: Cedric Beny (Centre for Quantum Technologies, National University Singapore): Joint measurability and preserved observables
- May 13, 11:00 am: Hongbao Zhang (PI), S-matrix without local quantum field theory
- May 12, 2:00 pm, MC 5136: Rob Martin (UC Berkeley) gives departmental seminar, Symmetric operators and sampling theory
Fall 2008/winter 2009
- Achim Kempf on sabbatical in Europe and Australia.
Spring/summer 2008
- August 13: Mathieu Cliche and Jeff Li give test runs of their conference presentations
- August 6, William Donnelly, On entanglement in quantum field theory
- July 31, 2:00 pm: Angus Prain, Semi-classical gravity and backreation
- July 9, Yufang Hao: Stability of reconstruction in non-uniform sampling
- July 2: Achim Kempf, On the Casimir effect in High Tc superconductors II
- June 18: Achim Kempf, On the Casimir effect in High Tc superconductors I
- June 11: Hongbao Zhang, Generalized second law, covariant entropy bound and the cosmological constant problem
- June 4: Yufang Hao, Introduction to rate-distortion theory
- May 28, Sabine Hossenfelder (PI), Observables of quantum gravity at the LHC
- May 15, 2:00 pm, Alice Room at PI: Prof. John Klauder, Affine quantum gravity: a different view on a difficult problem
- May 14, 10:00 am, Physics (PHYS) 352: Prof. John Klauder (University of Florida), Path integration: an historical slice
- May 9, 10:00 am, MC 5158: William Donnelly's Master's defense
- May 8, 10:00 am, MC 5136: Angus Prain's Master's defense
- May 7, 9:30 am, MC 5136: Rob Martin's PhD defense
Winter 2008
- April 30, 11:30 am: Cedric Beny, Basics of superconductivity II
- April 28, 11:30-12:30 pm, Bob Room at PI: Achim Kempf talks at PI conference Quantum Information and Graph Theory: emerging connections. Title: A Unifying View of Graph Theory in Quantum Field Theory (work with D.M. Jackson and A. Morales).
- April 25, 2:00 pm: Alejandro Borbonet, Bekenstein bounds and spectral geometry
- April 23, William G. Davis Computer Research Centre (DC) 1304: Graduate student research conference (Achim Kempf acts as judge).
- April 22, 11:00 am: Iraida Carnero, Noncommutative geometry and integrable models
- April 16: Franklin Marquezino, Simulations of quantum walks
- April 9, 11:00 am, Robert Martin, Time-varying bandwidths and invariant subspaces of differential operators
- April 2: Renato Portugal, Quantum channel capacity and the Holevo bound
- March 26: Cedric Beny, Basics of superconductivity I
- March 5: Yufang Hao, Classical Shannon channel capacity
- February 27, 4:00 pm, Bob Room at PI: Cedric Beny, Unsharp pointer observables and the structure of decoherence
- February 13, David Ostapchuk, Entanglement creation in the fermionic Unruh effect
- February 6: Renato Portugal, On quantum random walks
- February 4, 2:30 pm, PHYS 352: Prof. Paul Smrz (University of Newcastle, Australia), special seminar jointly hosted with Department of Physics and Astronomy, 5D gravity and minimum length
- January 30: Tom Waterhouse (PI), Cosmic variance of Ω
- January 23, 11:00 am: Easwar Magesan, Identification of correctable codes via twirling
- January 16: Cedric Beny, On the structure of decoherence
Visitors
- Prof. Robert Brout (University Libre de Bruxelles)
- Alejandro Borbonet
- Iraida Carnero
- Prof. Paul Smrz
- Harold Steinacker
Fall 2007
- December 9-10: group takes part in PI workshop Quantum Information Theory in Quantum Gravity.
- December 8: Achim Kempf, Rob Martin and Cedric Beny talk at Canadian Mathematical Society (CMS) winter meeting in London, Ontario, in the special session on Quantum Information Theory in Quantum Gravity.
- December 4: 11:00 am: Joe Henson (PI), On covariant discretizations II
- November 27, 10:30 am: Federico Piazza (PI), On entanglement entropy in spacetime regions
- November 20, 9:00 am: Joe Henson (PI), On covariant discretizations I
- November 13: 10:00 am: Hongbao Zhang talks on entanglement entropy and related issues.
- November 5-9: Achim Kempf co-organizes workshop at PI, Experimental Search for Quantum Gravity
- November 3, 3:00 pm, MC 5158: Prof. Ahmed Zayed (DePaul University, Chicago) talks on sampling theory in colloquium.
- October 23, 10:00 am: Angus talks on superoscillations and quasilattices
- October 16, 10am in MC 6091: Chris Ferrie review of a paper with J. Emerson.
- October 11: Achim Kempf talks in Physics at UBC.
- October 9, 10:00 am, MC 6091: John Madore (Paris), Aspects of noncommutative geometry
- October 6: Rob Martin and Yufang Hao talk at AMS meeting in Chicago.
- September 17-21: Achim Kempf talks at QFEXT07 conference in Leipzig, Germany.
- September 4-7: Achim Kempf co-organizes conference at University of Wuerzburg, Germany, Initial Conditions in Cosmology
Visitors
- Prof. John Madore (Paris)
- Prof. Ahmed Zayed (Chicago)
- Prof. Robert Brout (University Libre de Bruxelles)
- Prof. Bill Unruh (University of British Columbia)
- Prof. Jens Niemeyer (Wuerzburg)
Spring/summer 2007
- August 5-18: Achim Kempf teaches at summer school on quantum information, Ftan, Switzerland.
- July 17: Yufang Hao, comprehensive exam.
- July 10, 11:30 am: William Donnelly report on Loops'07 conference.
- July 3, 11:30 am: Rob Martin report on SAMPTA07 conference.
- June 25-30: William Donnelly talks at Loops'07 conference in Morelia, Mexico.
- June 16-23: Achim Kempf at GRAVTUM1 conference.
- June 6-8: Yufang Hao talks at IEEE Canadian workshop on information theory, Edmonton.
- June 1-6: Achim Kempf and Rob Martin talk at SAMPTA07 conference.
- May 29, 11:30 am: Cedric report on Zakopane Winter School III.
- May 15, 11:30 am: Cedric report on Zakopane Winter School II.
- May 1, 11:30 am: Angus report on Zakopane Winter School I.
- April 24, 11:00 am, Bob Room at PI: Mauro Francaviglia, (University of Torino, Italy): Dark energy as a curvature effect in nonlinear theories of gravity
- April 19, 2:00 pm, Alice Room at PI: Mauro Francaviglia, The geometry of Barbero Immirzi connections
- April 17, 11:30 am: William, Entanglement entropy in loop quantum gravity
- April 10, 10:00 am, MC 5136: Cedric, comprehensive exam.
- March 27, 11:30 am: Robert Brout, on random walks.
Visitors
- Prof. Mauro Francaviglia (University of Torino)
- Prof. John Klauder (University of Florida)
- Prof. Robert Brout (University Libre de Bruxelles)
Winter 2007
- March 20, 10:00 am: Bernhard Bodmann, Quantum communications and an optimization problem for POVMs
- March 13, 11:30 am: Angus Prain, On the effective action of QFT in curved space, (to be confirmed).
- February 27, 11:30 am: Alejandro Morales, Intro to the effective action and graphs in QFT (5)
- February 14, 11:30 am: Group photo opportunity.
- February 13, 11:30 am: Achim Kempf, Intro to the effective action and graphs in QFT (4)
- February 6, 11:30 am: Achim Kempf, Intro to the effective action and graphs in QFT (3)
- January 30, 11:00 am, Bob Room at PI: Serge Winitzki, Quantum gravity and the conditions at the birth of the universe
- January 30, 9:00 am: Achim Kempf, Intro to the effective action and graphs in QFT (2)
- January 26, 9:00-10:30 am, Bob Room at PI: Florian Koch, Intro to Quantum Groups (V)
- January 25, 2:00 pm: Florian Koch talks in PI's quantum gravity seminar.
- January 25, 9:00-10:30 am, Bob Room at PI: Florian Koch, Intro to Quantum Groups (IV)
- January 23, 11:30 am: Achim Kempf, Intro to the effective action and graphs in QFT (1)
- January 22, 9:00-10:30 am, Bob Room at PI: Florian Koch, Intro to Quantum Groups (III)
- January 19, 9:00-10:30 am, Bob Room at PI: Florian Koch, Intro to Quantum Groups (II)
- January 18, 9:00-10:30 am, Bob Room at PI: Florian Koch, Intro to Quantum Groups (I)
Visitors
- Prof. Robert Brout (University Libre de Bruxelles)
- Florian Koch (University of Munich)
- Serge Winitzki (University of Munich)
- Mauro Francaviglia (University of Torino)
- Wenfeng Chen
Fall 2006
- December 8, 9:00 am (broadcast to Wuerzburg): Rob Martin, Sampling theoretic UV cutoff on curved spacetime
- December 6, 11:00 am: Alejandro, Gravitational entropy and Fisher information
- December 4, 3:30pm: Wenfeng Chen, Wavelets II
- November 27, 9:00 am, MC 5158: Cedric's comprehensive seminar, Transmission of observables through quantum channels
- November 24, 2:00 pm: Cedric gives test run of his comprehensive seminar.
- November 20, 9:00 am (via video conference from Wuerzburg): Tim, Loop quantum cosmology II
- November 13, 3:30pm: Wenfeng Chen, Wavelets I
- November 7, 2:00 pm (via video-conference from PI): A. Green, Dark matter in cosmology
- November 6, 9:00 am: Cedric Beny, Introduction to loop quantum cosmology
- October 30, 4:00 pm: Wenfeng Chen, From Fourier to wavelets
- October 16, 9:00 am: Angus, Introduction to quantum cosmology
- October 9: No seminar due to Thanksgiving.
- October 2: Hauke Haseler (IQC), Continuous quantum information and entanglement
- September 25: Cedric, Locking quantum information
- September 20: David, A model for mode creation in cosmology
- September 13: Larissa Lorenz (IAP, Paris), Two field inflation
- September 5-8: Achim Kempf and Justin Khouri run international workshop at PI, Planck scale cutoff in expanding spacetimes.
- September 1, 11:00 am: Tom Waterhouse (University of British Columbia), Chameleon inflation
Visitors
- Wenfeng Chen
- Alejandro Borbonet
- Prof. Robert Brout (University Libre de Bruxelles)
Spring/summer 2006
- August 16: Chris, test run of his summer conference talk
- August 2: Chris, Introduction to phase space quantization
- July 5: Cedric, On operator quantum error correction and information flow in measurements
- July 5: Jonathan Oppenheim (Cambridge University), Negative, uncommon, and private information
- June 21: Angus, Double special relativity
- June 7: David, The cosmic microwave background II
- May 31: Adeel, On quantum fluctuations
- May 24: Joseph, Discrete vs. continuous randomization of quantum systems
- May 17: David, The cosmic microwave background I
- May 12: Bernhard, On quantum noise
- May 10: John Madore (visitor from University Paris Sud), The fuzzy sphere
- May 3: Cedric, On loop quantum cosmology
- April 26: Yufang, Spectral methods in DEs
Winter 2006
- April 5: Rob: On sectional curvature bounds
- March 29: William: On the holographic principle
- March 22, 11:00 am, Bob Room at PI: Discussion of WMAP results
- March 8: Sasha, On the genetic code, as a code
- February 22: Cedric, Aspects of Shannon information and data compression
- February 15: Sasha, Mechanisms leading tyo power laws
- February 8: Sasha, Examples of power laws
- February 1: Rob, Sampling theory on curved space
- 25 January: William, Review of the gauge principle
Visitors
- Prof. Robert Brout (University Libre de Bruxelles, Belgium)
- Alessio Notari (McGill University)
- Alejandro Borbonet (University of Mato Grosso, Brazil)
Fall 2005
- 29 November: discussion with audio/visual people re lab.
- 15 November: Cedric, POVM versus von Neumann measurements II
- 8 November: Cedric, POVM versus von Neumann measurements I
- 1 November: William reports on his summer research, with Richard Cleves, on mutually unbiased bases and related issues.
- 25 October, MC 5158: Oliynyk (Potsdam), Newtonian Limit for Perfect Fluids
- 18 October: Sasha talks on mathematical models in epidemiology.
- 11 October: David continues his report on the conference in Brazil.
- 26 September, 2:00 pm: David reports on the conference in Brazil.
- 20 September, 3:00 pm: Joseph reviews decoherence vs. dissipation.
- 13 September: Joseph reviews decoherence.
- 7 September: Jonathan Oppenheim (Cambridge University), Locking information in black holes
Spring/summer 2005
- 30 April-9 May: Achim Kempf in Europe.
- 16 May: Group discussion over lunch.
- 24-26 May: Achim Kempf and Sasha at Origins conference at McMaster.
- 30 May: Rob gives test run of his talk at CMS meeting.
- 31 May: Achim Kempf and Sasha talk at Origins workshop in Hamilton.
- 4-6 June: Achim Kempf organizes special session at CMS meeting.
- 6 June: Rob talks at CMS conference.
- 13 June: Organizational meeting and general discussion.
- 16 June, 1:30 pm, MC 5158A: Achim Kempf talks on QCD in Sci. Comp./Comp. Math group.
- 20 June: AG, AS, RM and YH report on CMS conference.
- 29 June: Rob reports on CMS conference, reviewing the adiabatic theorem in quantum computing.
- 30 June, 1:30 pm, MC 5158A: Achim Kempf talks on QCD in Sci. Comp./Comp. Math group.
- 4 July: Yufang talks on Symmetric vs self-adjoint operators and sampling I
- 11 July: Yufang talks on Symmetric vs self-adjoint operators and sampling II
- 18 July: David on Quantum dissipative systems
- 25 July, 2:00 pm, Bob Room at PI: David, Inflation and violation of Bell inequalities
- 26 July, 1:30pm, MC 5136: Sasha, Genetic algorithms
- 2 August: Cedric, Decoherence
- 8 August: Cedric finishes decoherence and Yufang and Adeel talk on self-adoint extensions and sampling, and vacuum fluctuations.
- 11 August: Adeel and Yufang present at the summer student conference.
- 12 August, 1:00 pm: Cedric finishes on noiseless subsystems.
- August 12, 1:30 pm: Discussion on decoherence with visitor Dr. Jens Eisert (Potsdam).
- 13-27 August: Achim Kempf in Europe.
- 29 August: Joe reviews quantum to classical transition.
- 8 September: Joe reviews decoherence.
Visitors
- B. Bodmann (University of Texas), end of May
- Prof. Robert Brout, (University of Bruxelles), mid-July to mid-August
Winter 2005
- January 31: Sasha, From crystals to quasicrystals
- February 4: David, Growing lattices in cosmology
- February 10: Rob, Aspects of sampling theory I
- February 14: Rob, Aspects of sampling theory II
- February 21: Rob, Aspects of sampling theory III
- February 28: Sasha, Euler-Maclaurin
- March 3: Achim Kempf talks at Guelph Math student club (1:00 pm) and at Guelph Math Colloquium, (3:00 pm).
- March 7: Sasha, Euler Maclaurin
- March 21: Sasha reports on his visit to CRM Montreal.
- March 28: David, Coherent states
- April 4: David, Squeezed states
- April 25, MC 5136: Sasha, Path integration
Visitors
- Prof. J. Patera (CRM and University of Montreal), mid-January
- Prof. R. Brout (University Libre de Bruxelles), end of January/early February and all of April
- G. Mangano (University of Naples, Italy and Syracuse, New York), mid-March
- Prof. R. Easther (Yale University), mid-March
Fall 2004
- September 20: group is at COSMO-04.
- September 27: conference reviews.
- October 4: conference reviews.
- October 11: holiday (Thanksgiving).
- October 12: Achim Kempf talks at Guelph.
- October 18: Larissa on backreaction.
- October 25: Sven on backreaction.
- November 1: David on introducing aspects of inflation.
- November 8: David on squeezed states in inflation.
- November 15: David on temporal coherence of inflationary fluctuations.
- November 22: David on quantum to classical transition.
- November 29: David on decoherence in inflation.
Spring/summer 2004
- May 3: Bernhard Bodmann on measures of entropy.
- May 10: Not available.
- May 17: Tom on the Casimir effect.
- May 24: holiday (Victoria day).
- May 31: Tyler on decoherence.
- June 7: Rob on topics in sampling theory.
- June 18, 11:00 am: reports on Winnipeg conference.
- July 5: Sasha reports on Winnipeg conference.
- July 12: Larissa on aspects of QFT I.
- July 19: Larissa on aspects of QFT II.
- July 26: Tom on aspects of phi^4 theory.
- August 3: Tom on Feynman rules.
- August 9: Sasha on the genetic code.
- August 19: Tom on Casimir effect.
- August 23: Larissa on path integral in QFT (I).
- August 30: Sven on path integral in QFT (II).
- September 7: Rob on back reaction.
- September 13: discussion.
Winter 2004
- February 9: Sasha on negative entropy.
- February 16: Rob on sampling I.
- February 23: Rob on sampling II.
- March 1: Tom on vacuum fluctuations.
- March 8: Matt on superoscillations.
- March 15: Rob on mode creation mechanism.
- March 22: Rob (20 minutes) and Tyler on Q. info.
- March 29: Larissa on singularity in mode equation.
- April 5: Amjad on the adiabatic theorem.