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math.AG2026
Webs and smooth components of two column Springer fibers
Mike Cummings
Webs and Springer fibers are separately important objects in representation theory: webs give a diagrammatic calculus for tensor invariants of , and the cohomology…
math.AG2023★ 1 cited
Gröbner geometry for regular nilpotent Hessenberg Schubert cells
Mike Cummings, Sergio Da Silva, Megumi Harada +1
A regular nilpotent Hessenberg Schubert cell is the intersection of a regular nilpotent Hessenberg variety with a Schubert cell. In this paper, we describe a set of minimal generat…