On some hyponormal operators

Boundary value problems for a class of nonlinear differential equations

Gerald Ryder · Pacific Journal of Mathematics · 1967 · 93 citations · Full text

Natural Sciences, Mathematics, Physics +14

A note on hyponormal operators

S. K. Berberian · Pacific Journal of Mathematics · 1962 · 66 citations · Full text

Natural Sciences, Physics, Stochastic Processes +7

On some hyponormal operators

Vasile I. Istrăţescu · Pacific Journal of Mathematics · 1967 · 57 citations · Full text

Natural Sciences, Physics, Representation Theory +6

On the structure of Tor. II

R. J. Nunke · Pacific Journal of Mathematics · 1967 · 50 citations · Full text

Natural Sciences, Mathematics, Topology +4

The closure of the numerical range contains the spectrum

Eduardo H. Zarantonello · Pacific Journal of Mathematics · 1967 · 49 citations · Full text

Natural Sciences, Mathematics, Computational Acoustics +4