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math.AG2023
Geometric and combinatorial properties of extended Springer fibers
William Graham, Martha Precup, Amber Russell
We consider a generalization of the Springer resolution studied in earlier work of the authors, called the extended Springer resolution. In type , this map plays a role in Luszt…
math.AG2023
-Orbit closures and Hessenberg varieties
Mahir Bilen Can, Martha Precup, John Shareshian +1
This article explores the relationship between Hessenberg varieties associated with semisimple operators with two eigenvalues and orbit closures of a spherical subgroup of the gene…