Approximate homomorphisms.
Pexider type operators and their norms in spaces
In this paper, we introduce Pexiderized generalized operators on certain special spaces introduced by Bielecki-Czerwik and investigate their norms.
The influence of topology to non-linear analysis
Isometries and approximate isometries.
Inequalities in additive -isometries on linear -normed Banach spaces.
Isometries on linear -normed spaces.
Isometric additive mappings in generalized quasi-Banach spaces.
A new analogue of Gauss' functional equation.
Stability of -additive mappings: Applications to nonlinear analysis.
New generalizations of the Poisson kernel.
On a Hilbert-type integral inequality in the subinterval and its operator expression.
A Gauss type functional equation.
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