We supply the new proof of Krein's Trace Theorem which does not use complex analysis. Our proof holds for -finite von Neumann algebras of type II and unbounded perturbations from the predual of .
Cite this article
Denis Potapov, Fedor Sukochev, Dmitriy Zanin, Krein's trace theorem revisited. J. Spectr. Theory 4 (2014), no. 2, pp. 415–430DOI 10.4171/JST/75