Enveloping Algebras and Cohomology of Leibniz Pairs

Abstract

We introduce the enveloping algebra for a Leibniz pair, and show that the category of modules over a Leibniz pair is isomorphic to the category of left modules over its enveloping algebra. Consequently, we show that the cohomology theory for a Leibniz pair introduced by Flato, Gerstenhaber, and Voronov can be interpreted by Ext-groups of modules over the enveloping algebra.

Key Words:

• Enveloping algebra
• Leibniz pair
• Leibniz pair cohomology

2010 Mathematics Subject Classification:

• 16W25
• 16E40

Notes

Communicated by J. Alev.