A bound for the eigenvalue counting function for Krein-von Neumann and Friedrichs

Handbook of Mathematical Functions

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Methods of modern mathematical physics. III. Scattering theory

Michael C. Reed, Barry Simon · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1979 · 787 citations

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Schrödinger operators with singular potentials

Tosis Kato · Israel Journal of Mathematics · 1972 · 616 citations

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Analysis of heat equations on domains

El Maati Ouhabaz · HAL (Le Centre pour la Communication Scientifique Directe) · 2005 · 549 citations

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Generalized resolvents and the boundary value problems for Hermitian operators with gaps

Volodymyr Derkach, M. M. Malamud · Journal of Functional Analysis · 1991 · 548 citations

Natural Sciences, Physics, Differential Equations +12