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math.FA2026
Weak minimizing property and reflexivity
Vladimir Kadets, Geivison Ribeiro
For an operator T from X to Y denote m(T) the infimum of on the unit sphere of X. A sequence in is said to be minimizing for T if tends to m…
math.FA2024
On Sequences with at Most a Finite Number of Zero Coordinates
Diego Alves, Geivison Ribeiro
In this paper, we analyze the existence of algebraic and topological structures in the set of sequences that contain only a finite number of zero coordinates. Inspired by the work…
math.FA2024
A Quest for Convergence: Exploring Series in Non-Linear Environments
Geivison Ribeiro
This note presents an extension of a result within the concept of [S]-lineability, originally developed in 2019 by L. Bernal-González, J.A. Conejero, M. Murillo-Arcila, and J.B. S…