Geivison Ribeiro

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4 papers · 1 filter

math.FA2026

Optimality in a Multilinear Extension of Kwapień's Theorem

Luis Miguel Castaño Marín, Daniel Núñez-Alarcón, Geivison Ribeiro +1

Bayart, Pellegrino and Rueda proved that every continuous $m$ -linear operator from $(ℓ_{1})^{m}$ into $ℓ_{p}$ is absolutely $(r_{m, p}; 1)$ -summing, for explicit exponents $r_{m, p}$ .…

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 $∣∣ T x ∣∣$ on the unit sphere $S_{X}$ of X. A sequence $(x_{n})$ in $S_{X}$ is said to be minimizing for T if $∣∣ T x_{n} ∣∣$ 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. Se…