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Permutation module decomposition of the second cohomology of a regular semisimple Hessenberg variety

By Soojin Cho and others
Regular semisimple Hessenberg varieties admit actions of associated Weyl groups on their cohomology space of each degree. In this paper, we consider the module structure of the cohomology spaces of regular semisimple Hessenberg varieties of type AA. We define a subset of the Bialynicki-Birula basis of the cohomology space so... Show more
September 29, 2021
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Permutation module decomposition of the second cohomology of a regular semisimple Hessenberg variety
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