Abstract
We review the recent progress in the theory of Poincaré–Birkhoff–Witt degenerations of irreducible representations of simple Lie algebras. We describe algebraic, geometric, and combinatorial aspects of the theory.
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Translated from Itogi Nauki i Tekhniki, Seriya Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory, Vol. 136, Proceedings of the Seminar on Algebra and Geometry of Samara University, 2017
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Feigin, E.B. PBW Degeneration: Algebra, Geometry, and Combinatorics. J Math Sci 235, 685–713 (2018). https://doi.org/10.1007/s10958-018-4089-1
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DOI: https://doi.org/10.1007/s10958-018-4089-1