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Representations on Hessenberg Varieties and Young's Rule
Published 2011-01-01“…We combinatorially construct the complex cohomology (equivariant and ordinary) of a family of algebraic varieties called regular semisimple Hessenberg varieties. This construction is purely in terms of the Bruhat order on the symmetric group. …”
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Euphotic representations and rigid automorphic data
Published 2022“…The construction involves the notion of euphotic representations, and the proof for rigidity involves the geometry of certain Hessenberg varieties.…”
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