Mathematics > Combinatorics
[Submitted on 17 Jan 2013]
Title:Tres lecciones en combinatoria algebraica. I. Matrices totalmente no negativas y funciones simétricas
View PDFAbstract: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 primera parte presenta una introduccion a las matrices totalmente no negativas, y su relacion con las funciones simetricas.
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 presents an introduction to totally non-negative matrices and their relationship with symmetric functions.
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