3 papers
math.RT2026
Towards Monoidal Categorifications of Twisted Products of Flag Varieties
Yingjin Bi
Let be a simple, simply connected, simply laced algebraic group. We construct a monoidal category of representations of the quantum affine algebra …
math.RT2026
On cluster structures of bosonic extensions
Yingjin Bi
We study quantum cluster structures on bosonic extensions of quantum unipotent coordinate rings. For a positive braid group element , Kashiwara--Kim--Oh--…
math.RT2025
Monoidal categorification on open Richardson varieties
Yingjin Bi
In this paper, we show that the subcategory of modules over quiver Hecke algebras is a monoidal categorification of the coordinate ring of any open Richardson v…