3 papers
math.QA2026
R-matrix via Hasse diagrams
Nikita Kryazhevskikh, Andrey Mudrov, Vladimir Stukopin
We calculate the R-matrix for the exceptional Lie superalgebra in the smallest representation of its quantum supergroup, using a method of Hasse diagrams.
math.AG2026
Schubert varieties for the super affine Grassmannian of
Vladimir Stukopin, Sofia Gureva
We study Schubert varieties of the affine Grassmannian for the general linear supergroup . An explicit computational study is conducted in low-dimensional cases, namely f…
math.QA2025
Coproducts for affine super-Yangian and Weyl groupoid action
Vasiliy Volkov, Vladimir Stukopin
For affine special linear superalgebra defined by an arbitrary system of simple roots we define the affine super Yangian $Y_{\hbar}(\widehat{sl}(m|n, Π))…