Seminar Schedule

Our seminars take place in our lab, room MC6334, in the Mathematics & Computer Building (MC), this term normally Wednesdays at 2pm. If you are an upcoming student speaker and would like some advice on how to prepare a presentation, see see the section on communication skills in my handbook for new grad students here.
 

Fall 2017 

  • Nov. 29 (Wed), 2pm, Aidan Chatwin-Davies (CalTech)
    TBA
  • Nov. 15 (Wed), 2pm, AK
    Superoscillations
  • Nov. 9 (Thu), 1:30-4:30pm, Dr. Juergen Gerhard (Maplesoft)
    Introduction to symbolic computation with Maple
  • 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 
  • 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

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      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

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      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

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      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

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      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)

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      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

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      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

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      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

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      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

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      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

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      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)

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      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

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      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

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      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

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      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)

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      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)

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      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

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      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

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      Fall 2008/winter 2009

      • Achim Kempf on sabbatical in Europe and Australia.

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      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

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      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

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      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)

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      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)

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      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

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      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)

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      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

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      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)

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      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

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      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

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      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

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      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.

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      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.

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      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.

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