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Tutte polynomials of hyperplane arrangements and the finite field method

Research paper by Federico Ardila

Indexed on: 03 Oct '17Published on: 03 Oct '17Published in: arXiv - Mathematics - Combinatorics



Abstract

The Tutte polynomial is a fundamental invariant associated to a graph, matroid, vector arrangement, or hyperplane arrangement. This short survey focuses on some of the most important results on Tutte polynomials of hyperplane arrangements. We show that many enumerative, algebraic, geometric, and topological invariants of a hyperplane arrangement can be expressed in terms of its Tutte polynomial. We also show that, even if one is only interested in computing the Tutte polynomial of a graph or a matroid, the theory of hyperplane arrangements provides a powerful finite field method for this computation.