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math.FA2026
On Topological Numerical Transitivity, C*-Transitivity and generalizations
Otmane Benchiheb, Stefan Ivkovic
Motivated by the concept of numerical hypercyclicity, in this paper, we introduce three new notions in linear dynamics: topological numerical transitivity, generalized numerical tr…
math.FA2026
Periodicity in Banach algebras
Stefan Ivkovic
In this paper, we consider operators that are compositions of an isometric isomorphism and a left multiplier on a Banach algebra, and we provide necessary and sufficient conditions…