English

The Howland-Kato Commutator Problem II

Functional Analysis 2019-09-17 v1 Mathematical Physics math.MP

Abstract

We continue to discuss the following problem: For which bounded measurable real functions f and g is the commutator i[f(P),g(Q)] a non-negative operator on L^2(R)? In this work we concentrate on the situation where the commutator is a finite rank operator.

Cite

@article{arxiv.1909.06514,
  title  = {The Howland-Kato Commutator Problem II},
  author = {Ira Herbst},
  journal= {arXiv preprint arXiv:1909.06514},
  year   = {2019}
}
R2 v1 2026-06-23T11:15:08.778Z