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math.RA2026
Superconformal algebras over arbitrary rings of coefficients
Consuelo Martínez, Efim Zelmanov, Zezhou Zhang
We define analogs of superconformal algebras over an arbitrary commutative associative superalgebra. In the finitely generated case the universal central extensions of these algebr…
math.RA2026
Waring problems across algebra
Matej Brešar, Consuelo Mart\' inez
The paper surveys various Waring type problems in groups, Lie algebras, and associative algebras.