Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Mustapha Sarih"'
Publikováno v:
Mathematica Bohemica, Vol 141, Iss 1, Pp 99-108 (2016)
We study the stability of a-Browder-type theorems for orthogonal direct sums of operators. We give counterexamples which show that in general the properties $(\rm SBaw)$, $(\rm SBab)$, $(\rm SBw)$ and $(\rm SBb)$ are not preserved under direct sums o
Externí odkaz:
https://doaj.org/article/982976536c8640d48a3ea977a36b390d
