Abstracts for the Seminar
 Discrete Geometry and Combinatorics
 Fall 2016

Speaker:  Marcelo Aguiar, Cornell University
Title: Integral hyperplane arrangements
Time: 2:30 PM, Monday, September 12, 2016
Place:  Malott 206

Abstract: Consider an arrangement of linear hyperplanes integral with respect to a given lattice. The lattice gives rise to a torus and the arrangement to a subdivision of the torus. We are interested in the combinatorics of this subdivision. We will describe questions and results for particular lattices associated to root systems and arrangements associated to graphs. This is joint work with Swee Hong Chan (Cornell).

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