# Elliptic stable envelopes

@article{Aganagic2020EllipticSE, title={Elliptic stable envelopes}, author={Mina Aganagic and Andrei Okounkov}, journal={Journal of the American Mathematical Society}, year={2020} }

We construct stable envelopes in equivariant elliptic cohomology of Nakajima quiver varieties. In particular, this gives an elliptic generalization of the results of Maulik and Okounkov [Astérisque 408 (2019), ix+209]. We apply them to the computation of the monodromy of
q
q
-difference equations arising in the enumerative K-theory of rational curves in Nakajima varieties, including the quantum Knizhnik–Zamolodchikov equations.

## 101 Citations

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