A Strict Positivstellensatz for Enveloping Algebras
Algebraic Geometry
2007-05-23 v1 Functional Analysis
Abstract
Let G be a connected and simply connected real Lie group with Lie algebra g. Semialgebraic subsets of the unitary dual of G are defined and a strict Positivstellensatz for positive elements of the universal enveloping algebra of g is proved.
Cite
@article{arxiv.math/0403149,
title = {A Strict Positivstellensatz for Enveloping Algebras},
author = {Konrad Schmuedgen},
journal= {arXiv preprint arXiv:math/0403149},
year = {2007}
}
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15 pages