Mathematics – Representation Theory
Scientific paper
2007-02-23
SIGMA 4 (2008), 065, 19 pages
Mathematics
Representation Theory
This is a contribution to the Special Issue on Deformation Quantization, published in SIGMA (Symmetry, Integrability and Geome
Scientific paper
10.3842/SIGMA.2008.065
We consider the action of Vect_{Pol}(R) by Lie derivative on the spaces of
symbols of differential operators. We study the deformations of this action
that become trivial once restricted to sl(2). Necessary and sufficient
conditions for integrability of infinitesimal deformations are given.
Ammar Mabrouk Ben
Boujelbene Maha
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