Weyl's theorem for operator matrices

Weyl's theorem for nonnormal operators.

L. A. Coburn · The Michigan Mathematical Journal · 1966 · 367 citations · Full text

Natural Sciences, Speech-language Pathology, Representation Theory +7

A Hilbert Space Problem Book.

Peter Fillmore, Nigel Higson, Paul R. Halmos · American Mathematical Monthly · 1984 · 344 citations

Natural Sciences, Mathematics, Physics +7

Another note on Weyl’s theorem

Robin Harte, Woo Lee · Transactions of the American Mathematical Society · 1997 · 185 citations · Full text

Natural Sciences, Mathematics, Algebra +8

The Weyl Spectrum of an Operator

S. Berberian · Indiana University Mathematics Journal · 1970 · 124 citations

Natural Sciences, Physics, Algebra +10

On the spectrum of a Toeplitz operator

Harold Widom · Pacific Journal of Mathematics · 1964 · 114 citations · Full text

Natural Sciences, Electrical Engineering, Representation Theory +8