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math.AG2021
Euler characteristic of stable envelopes
Hunter Dinkins, Andrey Smirnov
In this paper we prove a formula relating the equivariant Euler characteristic of -theoretic stable envelopes to an object known as the index vertex for the cotangent bundle of…
math.AG2021
Quantum differential and difference equations for
Andrey Smirnov
We consider the quantum difference equation of the Hilbert scheme of points in . This equation is the K-theoretic generalization of the quantum differential equation…