arXiv · math/0512512
The Berezin and Garding Inequalities
Abstract
Let F be a real-valued convex function on the complex plane, and let Ps(b) be a pseudodifferential operator with symbol b. Under certain natural assumptions about properties of pseudodifferential operators, we prove that the sum of F(z) over all eigenvalues z of the operator Ps(b) counted with their multiplicities does not exceed the real part of the trace of Ps(F(b)) modulo a term of the same order as the error term in the Garding inequality.
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Y. Safarov. 2005-12-22. The Berezin and Garding Inequalities. https://arxiv.org/abs/math/0512512
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