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math.AG2023
Tangent Weights and Invariant Curves in Type A Bow Varieties
Alexander O. Foster, Yiyan Shou
This paper provides a complete classification of torus-invariant curves in Cherkis bow varieties of type A. We develop combinatorial codes for compact and noncompact invariant curv…
math.AG2020★ 9 cited
Bow varieties---geometry, combinatorics, characteristic classes
R. Rimanyi, Y. Shou
Cherkis bow varieties are believed to be the set of spaces where 3d mirror symmetry for characteristic classes can be observed. We describe geometric structures on a large class of…
math.AG2020
Explicit Formulas for h-Deformed Structure Constants of Grassmannians
Yiyan Shou
The Chern-Schwartz-MacPherson (CSM) and motivic Chern (mC) classes of Schubert cells in a Grassmannian are one parameter deformations of the fundamental classes of the Schubert var…