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math.RT2026
A connection between minimal nilpotent orbits of types A and D via Hamiltonian reduction
Baohua Fu, Jie Liu
We establish a novel connection between the minimal nilpotent orbit in and the minimal nilpotent orbit closure in $\mathf…
math.RT2025
Cohomology of Lie conformal algebroids
Alberto De Sole, Jiefeng Liu, Daniele Valeri
We study Lie conformal algebroids (LCAd) and their representations using the language of lambda-brackets and Lie conformal algebras. We describe several general constructions, such…
math.RT2025
Cohomology of Restricted Poisson algebras in characteristic 2
Sofiane Bouarroudj, Quentin Ehret, Jiefeng Liu
In this paper, we study restricted Poisson algebras in characteristic 2 and their relationship with restricted Lie-Rinehart algebras, for which we develop a cohomology theory and i…