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math.RT2026
The Harish-Chandra isomorphism for supersymmetric spaces and ghost distributions
Shifra Reif, Siddhartha Sahi, Vera Serganova +1
We prove the Harish-Chandra isomorphism theorem for supersymmetric spaces, describing the polynomial algebra of eigenvalues of invariant differential operators. The polynomials obt…
math.RT2024
Restriction Theorems and Root Systems for Symmetric Superspaces
Shifra Reif, Siddhartha Sahi, Vera Serganova
In this paper we consider those involutions of a finite-dimensional Kac-Moody Lie superalgebra , with associated decomposition $\mathfrak g=\mathfrak k\oplus\math…