The Journal of Operator Theory endeavours to publish significant articles in all areas of operator theory, operator algebras and closely related domains. All accepted manuscripts are carefully ...

Dirac operators lie at the heart of both mathematical physics and differential geometry, offering a unifying framework for the treatment of quantum mechanical systems and geometrical invariants. Their ...

Proceedings of the American Mathematical Society, Vol. 32, No. 2 (Apr., 1972), pp. 484-490 (7 pages) In this paper is presented a theory of unbounded operators which admit spectral distributions. The ...

Spectral problems in boundary value problems constitute a fundamental area of applied mathematics and mathematical physics, where the focus lies on determining eigenvalues and corresponding ...