2 papers
math.RT2025
Upper cluster structure on Kac--Moody Richardson varieties
Huanchen Bao, Jeff York Ye
We show coordinate rings of open Richardson varieties are upper cluster algebras for any symmetrizable Kac--Moody type. We further show the coordinate rings of (generalized) open R…
math.RT2025
Dual canonical bases and embeddings of symmetric spaces
Huanchen Bao, Jinfeng Song
For a connected reductive group over an algebraically closed field of char and a fixed point subgroup under an algebraic group involution, we construct a q…