Tres lecciones en combinatoria algebraica. III. Arreglos de hiperplanos
Abstract
In this series of three articles, we give an exposition of various results and open problems in three areas of algebraic and geometric combinatorics: totally non-negative matrices, representations of the symmetric group, and hyperplane arrangements. This first part is an introduction to hyperplane arrangements from a combinatorial point of view. ----- En esta serie de tres articulos, damos una exposicion de varios resultados y problemas abiertos en tres areas de la combinatoria algebraica y geometrica: las matrices totalmente no negativas, las representaciones del grupo simetrico, y los arreglos de hiperplanos. Esta tercera parte presenta una introduccion a los arreglos de hiperplanos desde un punto de vista combinatorio.
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