2 papers
math.AC2026
Bizonotopal Graphical Algebras
Anatol Kirillov, Gleb Nenashev, Boris Shapiro +1
Zonotopal algebras (external, central, and internal) of an undirected graph G introduced by Postnikov-Shapiro and Holtz-Ron, are finite-dimensional commutative graded algebras whos…
math.RA2025
Almost inner derivations of Lie superalgebras
Vera Serganova, Arkady Vaintrob
An almost inner derivation of a Lie algebra is a derivation that coincides with an inner derivation on each one-dimensional subspace of . The almost inner derivations form a…