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 ...
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Sebestyen’s theorem crosses into infinity after 40 years of mathematical limits
A classic math rule now handles infinity. New work strengthens the math behind physics and unbounded systems. % ...
Yosra Barkaoui’s doctoral dissertation in mathematics at the University of Vaasa, Finland, has successfully generalised a fundamental theorem that has been limited to the bounded case. The research ...
Fuglede-Putnam Theorem has been proved for a considerably large number of class of operators. In this paper by using the spectral theory, we obtain a theoretical and general framework from which ...
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 ...
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 ...
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