The Hyers–Ulam stability of an additive-quadratic s-functional inequality in Banach spaces
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DOI: 10.1007/s11587-021-00648-3
Abstract: For any fixed $$s \in \left\{ z \in \mathbb {C} : z \ne 0 \text { and } |z| read more here.
Keywords: functional inequality; bigg; ulam stability; hyers ulam ... See more keywords
Refinements of norm and numerical radius inequalities
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DOI: 10.1216/rmj.2021.51.1953
Abstract: Several refinements of norm and numerical radius inequalities of bounded linear operators on a complex Hilbert space are given. In particular, we show that if $A$ is a bounded linear operator on a complex Hilbert… read more here.
Keywords: numerical radius; leq; frac; bigg ... See more keywords