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7 papers · 1 filter
Relationship between the Hyers-Ulam stability and the Moore-Penrose inverse
Qianglian Huang, Mohammad Sal Moslehian
In this paper, we establish a link between the Hyers-Ulam stability and the Moore--Penrose inverse, that is, a closed operator has the Hyers-Ulam stability if and only if it has a…
Characterization of equality in a generalized Dunkl--Williams inequality
Mohammad Sal Moslehian, Farzad Dadipour
We establish a generalization of the Dunkl--Williams inequality and its inverse in the framework of Hilbert -modules and characterize the equality case. As applications, we ge…
Bohr's inequality revisited
Masatoshi Fujii, Mohammad Sal Moslehian, Jadranka Micic
We survey several significant results on the Bohr inequality and presented its generalizations in some new approaches. These are some Bohr type inequalities of Hilbert space operat…
Lifting derivations and weak amenability of the second dual of a Banach algebra
S. Barootkoob, H. R. Ebrahimi Vishki
We show that for the weak amenability of the second dual $\A^{**}$ of a Banach algebra $\A$ implies that of $\A$. We also provide a positive answer for the case $n=1,…
Character Inner Amenability of Certain Banach Algebras
H. R. Ebrahimi Vishki, A. R. Khoddami
Character inner amenability for certain class of Banach algebras consist of projective tensor product , Lau product and module extension a…
Filters and Semigroup Compactification Properties
M. Akbari Tootkaboni, H. R. E. Vishki
Stone-ech compactifications derived from a discrete semigroup can be considered as the spectrum of the algebra or as a collection of ultrafilters on…