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Friday, December 12, 2014 — 3:30 PM EST

Resource Competition on Matroids

Speaker: Britta Peis
Affiliation: RWTH Aachen University
Room: M3 3103

Abstract:  

Friday, December 5, 2014 — 2:30 PM EST

Solving Quadratically Constrained Quadratic Programs

Speaker: Daniel Bienstock
Affiliation: Columbia University
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Friday, November 28, 2014 — 3:30 PM EST

Juggling With Points on an Elliptic Curve

Speaker: Gabriel Gauthier-Shalom
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Friday, November 21, 2014 — 3:30 PM EST

Bill Tutte: A Snapshot of His Life

Speaker: Dan Younger
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract: 

Wednesday, November 19, 2014 — 4:00 PM EST

Shannon, Lehman, Edmonds, and Matroids

Speaker: Ahmad Abdi
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract:

Monday, November 17, 2014 — 4:00 PM EST

Fast Computing Betweenness Centrality with Virtual Nodes on Large Sparse Networks

Speaker: Patrick Roncal
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract:

Friday, November 14, 2014 — 3:30 PM EST

While the Size of Subgraphs Grows

Speaker: Jane Gao
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Wednesday, November 12, 2014 — 5:30 PM EST

Sylvester's 4-point problem and straight line drawings of the complete graph K_n

Speaker: Bruce Richter
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 4042

Abstract: In the 1880's, Sylvester raised the following question: if we
pick 4 points at random from the Euclidean plane, what is the probability

Friday, November 7, 2014 — 3:30 PM EST

Promotion for Staircase Tableaux

Speaker: Kevin Purbhoo
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Wednesday, November 5, 2014 — 4:00 PM EST

A Brief History of Cutting Plane Methods

Speaker: Laurent Poirrier
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract:

Friday, October 31, 2014 — 3:30 PM EDT

A Set-Theoretic Approach to Fractional Iterates

Speaker: Ron Mullin, distinguished professor emeritus
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

This talk relates to an early excursion of Bill Tutte into professional level mathematics. The connection will be explained in the talk.

Tuesday, October 28, 2014 — 4:00 PM EDT

Combinatorial Positivity in the Schubert Calculus via Dual Equivalence Graphs

Speaker: Frank Sottile
Affiliation: Texas A&M University
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Monday, October 27, 2014 (all day) to Wednesday, October 29, 2014 (all day)

The fundamental mandate of the workshop, co-organized by Professors Tom Coleman and Michele Mosca, is to provide a forum for both scientific presentations and discussion of issues related to quantum optimization. Optimization researchers will learn about the quantum technology and methodologies and the quantum researchers will learn about hard optimization problems that may yield to quantum optimization approaches.

Friday, October 24, 2014 — 3:30 PM EDT

Characterizations of Non-Seymour Graphs

Speaker: Zoltan Szigeti
Affiliation: INP Grenoble and Ensimag
Room: Mathematics and Computer Building (MC) 5136B

Abstract: 

Friday, October 17, 2014 — 3:30 PM EDT

The Matching Polynomial of a Graph

Speaker: Chris Godsil
Affiliation: University of Waterloo
Room: Mathematics 3 (M3) 3103

Abstract:

If  p(G,k) denotes the number of matchings of size k in the graph G and  n=|V(G)|, then the matching polynomial of G is

m(G,t) = \sum_k   p(G,k) (-1)^k t^{n-2k}.

Thursday, October 16, 2014 — 3:00 PM EDT

Detecting Communities by Voting Model

Speaker: Yu. Nesterov
Affiliation: CORE/UCL, Belgium
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Friday, October 10, 2014 — 3:30 PM EDT

Enumeration of Graphs with a Heavy-tailed Degree Sequence

Speaker: Nick Wormald
Affiliation: Monash University
Room: Mathematics (M3) 3103

Abstract: 

Thursday, October 9, 2014 — 4:00 PM EDT

On the Diameter and Longest Paths in Random Apollonian Networks

Speaker: Jim Geelen
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract: 

Friday, October 3, 2014 — 3:30 PM EDT

Approximation Algorithms for Vehicle-Routing Problems

Speaker: Chaitanya Swamy
Affiliation: University of Waterloo
Room: Mathematics 3 (M3) 3103

Abstract: 

Thursday, October 2, 2014 — 4:00 PM EDT

Multivariate Diagonals, D-finite Functions, and Lattice Path Enumeration

Speaker: Stephen Melczer
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5168

Abstract: 

Wednesday, October 1, 2014 (all day) to Friday, October 3, 2014 (all day)

The 6th International Conference on Post-Quantum Cryptography will be held at the Institute for Quantum Computing at the University of Waterloo. Professor Michele Mosca will serve as program chair, while Professor Alfred Menezes will serve as General Chair. The conference will be preceded by a summer school from September 29-30.

Friday, September 26, 2014 — 3:30 PM EDT

A Survey of Graph-like Continua and Infinite Matroids

Speaker: Bruce Richter
Affiliation: University of Waterloo
Room: Mathematics 3 (M3) 3103

Abstract: 

Thursday, September 25, 2014 — 4:00 PM EDT

Connections Between Quantum Walks and Some Graph Properties

Speaker: Gabriel Coutinho
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract: 

Friday, September 19, 2014 — 3:30 PM EDT

Density Ramsey Type Results

Speaker: Jim Geelen
Affiliation: University of Waterloo
Room: Mathematics 3 (M3) 3103

Abstract: 

Tuesday, September 16, 2014 — 4:00 PM EDT

Laplacian Perfect State Transfer

Speaker: Harmony Zhan
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 6486

Abstract: 

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