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In this paper we introduce an abstract approach to the notion of absolutely summing multilinear operators. We show that several previous results on different contexts (absolutely summing, almost summing, Cohen summing) are particular cases…

Functional Analysis · Mathematics 2013-05-28 Diana Marcela Serrano-Rodríguez

Considering the successful theory of multiple summing multilinear operators as a prototype, we introduce the classes of multiple Cohen strongly p-summing multilinear operators and polynomials. The adequacy of these classes under the…

Functional Analysis · Mathematics 2012-09-05 Jamilson Ramos Campos

In this paper we provide an abstract aproach to the study of classes of multiple summing multilinear operators between Banach spaces. The main purpose is unify the study of several known classes and results, for example multiple $(p,…

Functional Analysis · Mathematics 2018-07-11 Joilson Ribeiro , Fabrício Santos

In this note we prove the optimality of a family of known coincidence theorems for absolutely summing multilinear operators. We connect our results with the theory of multiple summing multilinear operators and prove the sharpness of similar…

Functional Analysis · Mathematics 2015-10-06 Daniel Pellegrino

In this short note we present some new results concerning cotype and absolutely summing multilinear operators.

Functional Analysis · Mathematics 2011-01-27 A. Thiago L. Bernardino

In this paper we investigate the connections between the several different extensions of the concept of absolutely summing operators.

Functional Analysis · Mathematics 2007-05-23 Daniel M. Pellegrino

We construct a general framework that generates classes of multilinear operators between Banach spaces which encompasses, as particular cases, the several classes of summing type multilinear operators that have been studied individually in…

Functional Analysis · Mathematics 2021-11-12 Geraldo Botelho , Davidson Freitas

In this paper, we explore the concept of multilinear operators that are multiple almost summing and present a new concept of type and cotype of multilinear operators and investigate the conditions for this new concept to recover the…

Functional Analysis · Mathematics 2021-09-23 Joilson Ribeiro , Fabrício Santos

This paper has a twofold purpose: to present an overview of the theory of absolutely summing operators and its different generalizations for the multilinear setting, and to sketch the beginning of a research project related to an objective…

Functional Analysis · Mathematics 2015-10-02 Daniel Pellegrino , Joedson Santos

The objective of this study is to advance the theory concerning positive summing operators. Our focus lies in examining the space of positive strongly p-summable sequences and the space of positive unconditionally p-summable sequences. We…

Functional Analysis · Mathematics 2024-04-29 D. Achour , T. Tiaiba

Every absolutely summing linear operator is weakly compact. However, for strongly summing multilinear operators and polynomials - one of the most natural extensions of the linear case to the non linear framework - weak compactness does not…

Functional Analysis · Mathematics 2013-11-20 Daniel Pellegrino , Pilar Rueda , Enrique A. Sanchez-Perez

We prove new summability properties for multilinear operators on $\ell_p$ spaces. An important tool for this task is a better understanding of the interplay between almost summing and absolutely summing multilinear operators.

Functional Analysis · Mathematics 2014-04-07 O. Blasco , G. Botelho , D. Pellegrino , P. Rueda

We study generalized sums of linear orders. These are binary operations that, given linear orders $A$ and $B$, return an order $A \oplus B$ that can be decomposed as an isomorphic copy of $A$ interleaved with a copy of $B$. We show that…

Logic · Mathematics 2025-12-17 Álvaro Díaz Ramos , Garrett Ervin , Saharon Shelah

Unifying several directions of the development of the study of summing multilinear operators between Banach spaces, we construct a general framework that studies, under one single definition, multilinear operators that are summing with…

Functional Analysis · Mathematics 2020-01-14 Geraldo Botelho , Davidson F. Nogueira

In this paper, the sharp quantitative weighted bounds for the iterated commutators of a class of multilinear operators were systematically studied. This class of operators contains multilinear Calder\'{o}n-Zygmund operators, multilinear…

Classical Analysis and ODEs · Mathematics 2024-01-04 Jiawei Tan , Qingying Xue

In this note we answer a question concerning lineability of the set of non-absolutely summing operators.

Functional Analysis · Mathematics 2009-05-19 G. Botelho , D. Diniz , D. Pellegrino , E. Teixeira

It is well known that not every summability property for non linear operators leads to a factorization theorem. In this paper we undertake a detailed study of factorization schemes for summing linear and nonlinear operators. Our aim is to…

Functional Analysis · Mathematics 2015-11-17 E. Dahia , D. Achour , P. Rueda , E. A. Sánchez Pérez

This short note has a twofold purpose: (i) to solve the question that motivates a recent paper of D. Popa on multilinear variants of Pietsch's composition theorem for absolutely summing operators. More precisely, we remark that there is a…

Functional Analysis · Mathematics 2011-02-15 Adriano Thiago L. Bernardino , Daniel Pellegrino

We prove several abstract results giving general conditions under which subspaces of linear or multilinear operators on Banach spaces or Banach lattices are closed. Each of these abstract results is followed by concrete applications,…

Functional Analysis · Mathematics 2026-05-25 Geraldo Botelho , Ariel Monção

This paper investigates summability principles for multilinear summing operators. The main result presents a novel inclusion theorem for a class of summing operators, which generalizes several classical results. As applications, we derive…

Functional Analysis · Mathematics 2025-04-04 Nacib Albuquerque , Gustavo Araújo , Lisiane Rezende , Joedson Santos
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