most citedA Strict Positivstellensatz for the Weyl Algebra

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math.AG2004

A Strict Positivstellensatz for Enveloping Algebras

Konrad Schmuedgen

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…

math.AG2004★ 1 cited

A Strict Positivstellensatz for the Weyl Algebra

Konrad Schmuedgen

Let be an element of the Weyl algebra which is given by a strictly positive operator in the Schr"odinger representation. It is shown that, under some conditions, there e…