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math.RT2026
Quasi-Classical Braverman--Kazhdan Intertwiners via Quiver Varieties
Nikolay Grantcharov, Aaron Slipper
We show that Braverman--Kazhdan normalized intertwiners for have a quasi-classical incarnation governed by type quiver varieties. More precisely, for standar…
math.RT2020
Extension Quiver for Lie Superalgebra
Nikolay Grantcharov, Vera Serganova
We describe all blocks of the category of finite-dimensional -supermodules by providing their extension quivers. We also obtain two general results about the repre…
math.RT2018
On BBW parabolics for simple classical Lie superalgebras
Dimitar Grantcharov, Nikolay Grantcharov, Daniel K. Nakano +1
In this paper the authors introduce a class of parabolic subalgebras for classical simple Lie superalgebras associated to the detecting subalgebras introduced by Boe, Kujawa and Na…