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ACTIONS OF LIE SUPERALGEBRAS ON SEMIPRIME ALGEBRAS WITH CENTRAL INVARIANTS

Published online by Cambridge University Press:  24 June 2010

PIOTR GRZESZCZUK
Affiliation:
Faculty of Computer Science, Bialystok University of Technology, Wiejska 45A, 15-351 Białystok, Poland e-mail: piotrgr@pb.edu.pl
MAŁGORZATA HRYNIEWICKA
Affiliation:
Institute of Mathematics, University of Białystok, Akademicka 2, 15-267 Białystok, Poland e-mail: margitt@math.uwb.edu.pl
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Abstract

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Let R be a semiprime algebra over a field of characteristic zero acted finitely on by a finite-dimensional Lie superalgebra L = L0L1. It is shown that if L is nilpotent, [L0, L1] = 0 and the subalgebra of invariants RL is central, then the action of L0 on R is trivial and R satisfies the standard polynomial identity of degree 2 ⋅ []. Examples of actions of nilpotent Lie superalgebras, with central invariants and with [L0, L1] ≠ 0, are constructed.

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 2010

References

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