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Representations of automorphism groups on the homology of matroids
European Journal of Combinatorics ( IF 1.0 ) Pub Date : 2021-02-08 , DOI: 10.1016/j.ejc.2021.103312 Luca Moci , Gian Marco Pezzoli
中文翻译:
类同拟素在拟阵上的表示
更新日期:2021-02-08
European Journal of Combinatorics ( IF 1.0 ) Pub Date : 2021-02-08 , DOI: 10.1016/j.ejc.2021.103312 Luca Moci , Gian Marco Pezzoli
Given a group of automorphisms of a matroid , we describe the representations of on the homology of the independence complex of the dual matroid . These representations are related to the homology of the lattice of flats of , and (when is realizable) to the top cohomology of a hyperplane arrangement. Finally, we analyze in detail the case of the complete graph, which has applications to algebraic geometry.
中文翻译:
类同拟素在拟阵上的表示
给定一组 拟阵的同构关系 ,我们描述了 对偶拟阵独立复合体的同源性 。这些表示与平面的晶格的同源性有关。, 什么时候 是可实现的)到超平面布置的最高同调性。最后,我们详细分析完整图的情况,该图适用于代数几何。