Results 51 to 56 of about 64 (56)

On some examples of non-normal operators, IV

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1973
Ritsuo Nakamoto, Masatoshi Fujii
exaly  

Ranges of hyponormal operators

Illinois Journal of Mathematics, 1977
exaly  

Certain convexoid operators

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1971
Takayuki Furuta
exaly  

Posinormal operators

Journal of the Mathematical Society of Japan, 1994
exaly  

On the commuting extensions of nearly normal operators

Tohoku Mathematical Journal, 1973
exaly  

Subnormal weighted shifts and the Halmos-Bram criterion

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1970
exaly