AdvOL Student Seminars and Defences
Xiao Jiao Wang, March 27, 2018, 15:30-16:00, ITB 201
Speaker:   Xiao Jiao Wang

Title:  On inventory allocation for periodic review assemble-to-order systems
 
AdvOL Optimization Seminars
Johannes Hofscheier, November 6, 2018, 16:30-17:30, ITB 201
Speaker:   Johannes Hofscheier
Department of Mathematics and Statistics
McMaster University

Title:  Generalized flatness constants, spanning lattice polytopes, and the Gromov width
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Fields Institute Industrial Optimization Seminar, December 5, 2018
Speakers:   Sebastian Pokutta (Georgia Tech)
Oleksandr Romanko (IBM Canada)

The Industrial Optimization Seminar is held at the Fields Institute. See the seminar series website for further information.
 
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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

We introduce a family of lattice polytopes, called primitive zonotopes, which can be seen as a generalization of the permutahedron. We discuss connections to the largest diameter of lattice polytopes and to the computational complexity of multicriteria matroid optimization. Tightening of the bounds for the largest possible diameter of a lattice polytope, complexity results, and open questions are presented. In particular, we answer a question raised in 1986 by Colbourn, Kocay, and Stinson by showing that deciding whether a given sequence is the degree sequence of a 3-hypergraph is computationally prohibitive. Based on joint works with Asaf Levin (Technion), George Manoussakis (Paris Sud), Syed Meesum (IMSc Chennai), Shmuel Onn (Technion), and Lionel Pounin (Paris XIII).
 
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