2 papers
math.AG2026
Grothendieck Weights on Permutohedral Varieties and Matroids
Yiyu Wang
Grothendieck weights, introduced by Shah, are -theoretic analogues of Minkowski weights on smooth toric varieties. We study Grothendieck weights on the permutohedral fan and pro…
math.AG2025
Microlocal multiplicity of matroid Schubert varieties
Yiyu Wang
We study the multiplicity number of the characteristic cycle of the intersection complex of the matroid Schubert variety. It is shown to be a combinatorial invariant, and it can be…