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Friday, December 9, 2011 — 3:30 PM to 4:30 PM EST

Multiple Traveling Salesmen in Asymmetric Metrics

Speaker: Levent Tunçel Affiliation: University of Waterloo Room:

Mathematics & Computer Building (MC) 5158

Abstract:

Friday, December 2, 2011 — 3:30 PM to 4:30 PM EST

Forcing large transitive subtournaments

Speaker: Maria Chudnovsky Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, November 18, 2011 — 3:30 PM to 4:30 PM EST

Log concavity of characteristic polynomials and tropical intersection theory

Speaker: Eric Katz Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, November 11, 2011 — 3:30 PM to 4:30 PM EST

The 012-Puzzle Conjecture

Speaker: Kevin Purbhoo Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, November 4, 2011 — 3:30 PM to 4:30 PM EDT

Convex Relaxation for Sensor Network Localization

Speaker: Levent Tunçel Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, October 21, 2011 — 3:30 PM to 4:30 PM EDT

Quantum Problems in Algebraic Graph Theory

Speaker: Chris Godsil Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, October 7, 2011 — 3:30 PM to 4:30 PM EDT

Orientation of Graphs

Speaker: Zoltan Szigeti Affiliation: Grenoble Institute of Technology Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, September 30, 2011 — 3:30 PM to 4:30 PM EDT

Augmenting undirected node-connectivity by one

Speaker: Laszlo Vegh Affiliation: GeorgiaTech Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, September 23, 2011 — 3:30 PM to 4:30 PM EDT

Cops and robber on a random graph

Speaker: Nick Wormald Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, September 16, 2011 — 3:30 PM to 4:30 PM EDT

A Counterexample to Beck's Three Permutations Conjecture

Speaker: Alantha Newman Affiliation: Rutgers University Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, August 5, 2011 — 3:30 PM to 4:30 PM EDT

Locally Restricted Compositions

Speaker: Jason Gao Affiliation: Carleton University Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, July 29, 2011 — 3:30 PM to 4:30 PM EDT

Complex spherical codes and designs

Speaker: Aidan Roy Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, July 22, 2011 — 3:30 PM to 4:30 PM EDT

Linear-programming based techniques for minimum latency problems

Speaker: Chaitanya Swamy Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, July 15, 2011 — 3:30 PM to 4:30 PM EDT

A Primal-Dual Approximation Algorithm for Min-Sum Single Machine Scheduling Problems

Speaker: Maurice Cheung Affiliation: University of Waterloo Room:

Mathematics & Computer Building (MC) 5158

Abstract:

Friday, July 8, 2011 — 3:30 PM to 4:30 PM EDT

Quantum-resistant public-key cryptosystems from supersingular elliptic curve isogenies

Speaker: David Jao Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, June 24, 2011 — 3:30 PM to 4:30 PM EDT

Price of Correlation in Stochastic Optimization

Speaker: Yichuan Ding Affiliation: Stanford University Room: Mathematics & Computer Building (MC) 5158

Abstract:

Monday, June 20, 2011 (all day) to Thursday, June 23, 2011 (all day)

The eighth Mixed Integer Programming (MIP) Workshop was held at the University of Waterloo from June 20-23 2011. The workshop was organized by Samir Elhedhli (Department of Management Sciences) and Ricardo Fukasawa (Department of Combinatorics and Optimization).

Friday, June 17, 2011 — 3:30 PM to 4:30 PM EDT

SemiDefinite Programming Relaxation for Polynomial Optimization Problems

Speaker: Hayato Waki Affiliation: The University of Electro-Communications Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, June 10, 2011 — 3:30 PM to 4:30 PM EDT

Twisted duality and isomorphism of medial graphs

Speaker: Iain Moffatt Affiliation: University of South Alabama Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, June 3, 2011 — 3:30 PM to 4:30 PM EDT

Three types of Schur function product and generating functions for the coefficients appearing in their decomposition

Speaker: Ron King Affiliation: University of Southampton Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, May 27, 2011 — 3:30 PM to 4:30 PM EDT

Strong Duality in Semidefinite Programming and Facial Reduction with Applications to Sensor Network Localization and Molecular Conformation

Speaker: Henry Wolkowicz Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, May 20, 2011 — 3:30 PM to 4:30 PM EDT

Graphs and Matrices with Integral Spectrum in Some Families

Speaker: Igor Shparlinski Affiliation: Macquarie University Room: Mathematics & Computer Building (MC) 5158

Abstract:

We give a survey of recent result about counting of graphs and matrices (of various types) with integral eigenvalues. We also pose several open problems.

Friday, May 6, 2011 — 3:30 PM to 4:30 PM EDT

Zarankiewicz' Conjecture is finite

Speaker: Bruce Richter Affiliation: University of Waterloo Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, April 29, 2011 — 3:30 PM to 4:30 PM EDT

Recursive structure of planar graph classes

Speaker: Brendan McKay Affiliation: Australian National University Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, April 15, 2011 — 3:30 PM to 4:30 PM EDT

Tverberg's theorem and graph coloring

Speaker: Alexander Engström Affiliation: University of California, Berkeley Room: Mathematics & Computer Building (MC) 5158

Abstract:

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