AdvOL Student Seminars and Defences
Joe Guan, January 23, 2018, 15:30-16:00, ITB 201
Speaker:   Joe Guan

Title:  Geometric Aspects of Combinatorial Optimization
 
AdvOL Optimization Seminars
Antoine Deza, January 23, 2018, 16:30-17:30, ITB 201
Speaker:   Antoine Deza
Department of Computing and Software
McMaster University

Title:  On lattice polytopes, convex matroid optimization, and degree sequences of hypergraphs
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Fields Institute Industrial Optimization Seminar, January 16, 2018
Speakers:   Paul Ayers (McMaster University)
Jeffrey Kelly (Industrial Algorithms)

On the first Tuesday of each month, the Industrial Optimization Seminar is held at the Fields Institute. See the seminar series website for further information.
 
Home arrow Seminars arrow Invited seminars arrow Antoine Deza, April 15, 2014, 16:30-17:30, ITB 201
Saturday, 24 February 2018
 
 
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Antoine Deza, April 15, 2014, 16:30-17:30, ITB 201
Speaker:   Antoine Deza
Department of Computing and Software
McMaster University

Title:  Colourful linear programming and simplicial depth

We present recent results and open questions dealing with a generalization of linear programming introduced by Bárány and Onn in 1997, and the associated generalization of the Carathéodory's Theorem proven by Bárány in 1982. In particular, we present recent generalizations of the Colourful Carathéodory Theorem due to Arocha et al. and Holmsen et al. and our strengthening of these. We discuss a combinatorial approach that led to the recent determination by Sarrabezolles of a tight lower bound for the colourful simplicial depth in any dimension and generalizing earlier results due to Bárány and Matoušek, and Stephen and Thomas. Based on joint works with Frédéric Meunier (ENPC Paris) and Pauline Sarrabezolles (ENPC Paris).
 
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