most citedTrace identities for commutators, with applications to the distribution of eigenvalues

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math.SP2009★ 4 cited

Trace identities for commutators, with applications to the distribution of eigenvalues

Evans M. Harrell, Joachim Stubbbe

We prove trace identities for commutators of operators, which are used to derive sum rules and sharp universal bounds for the eigenvalues of periodic Schroedinger operators and Sch…