Geraldo Botelho

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20232026

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-convergent operators and their adjoints

1 citations · 1 across the 9 of their papers we have counts for

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math.FA2025

L- and M-weakly compact multilinear operators and their linear adjoints

Geraldo Botelho, Ariel Monção

Let $X_{1}, \dots, X_{m}$ be Banach spaces and let $E_{1}, \dots, E_{m}, F$ be Banach lattices. Our main results read as follows: (i) The linear adjoint $A^{*}$ of a continuous multilinear…

math.FA2025

Compact positive multilinear operators on Banach lattices

Geraldo Botelho, Vinicius C. C. Miranda

Let $1 < p_{1}, \dots, p_{n} < \infty, 1 \leq q < \infty$ be such that $i = 1 \sum n \frac{1}{p _{i}} < \frac{1}{q}$ and let $μ_{1}, \dots, μ_{n}, ν$ be arbitrary measures. Generalizi…

math.FA2025

On the duality of DW-compact operators and DW-DP operators

Geraldo Botelho, Ariel Monção

We give a necessary condition and a sufficient condition on the Banach lattices E and F so that an operator from E to F is DW-compact whenever its adjoint is DW-compact. We do the…

math.FA2025

Arens extensions of disjointness preserving multilinear operators

Geraldo Botelho, Luis Alberto Garcia, Vinícius C. C. Miranda

First we give a counterexample showing that, unlike the second adjoint of a disjointness preserving linear operator, Arens extensions of disjointness preserving multilinear operato…