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math.AT2023
Modular law through GKM theory
Tatsuya Horiguchi, Mikiya Masuda, Takashi Sato
The solution of Shareshian-Wachs conjecture by Brosnan-Chow and Guay-Paquet tied the graded chromatic symmetric functions on indifference graphs (or unit interval graphs) and the c…
math.AT2014★ 3 cited
The torus equivariant cohomology rings of Springer varieties
Hiraku Abe, Tatsuya Horiguchi
The Springer variety of type associated to a nilpotent operator on in Jordan canonical form admits a natural action of the -dimensional torus wh…
math.AT2014★ 3 cited
The -equivariant cohomology rings of Springer varieties
Tatsuya Horiguchi
The main result of this note gives an explicit presentation of the -equivariant cohomology ring of the Springer variety (in type ) as a quotient of a polynomial r…