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The most famous open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximally monotone operators provided that Rockafellar's constraint qualification holds. In this paper, we prove the maximal…

Functional Analysis · Mathematics 2012-12-19 Jonathan M. Borwein , Liangjin Yao

The most important open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximally monotone operators provided that the classical Rockafellar's constraint qualification holds, which is called the "sum…

Functional Analysis · Mathematics 2014-07-01 Liangjin Yao

The most important open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximal monotone operators provided that Rockafellar's constraint qualification holds. In this note, we provide a new maximal…

Functional Analysis · Mathematics 2010-01-05 Heinz H. Bauschke , Xianfu Wang , Liangjin Yao

The most important open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximally monotone operators provided that the classical Rockafellar's constraint qualification holds. In this paper, we…

Functional Analysis · Mathematics 2019-02-20 Jonathan M. Borwein , Liangjin Yao

The question whether or not the sum of two maximal monotone operators is maximal monotone under Rockafellar's constraint qualification - that is, whether or not "the sum theorem" is true - is the most famous open problem in Monotone…

Functional Analysis · Mathematics 2009-02-10 Heinz H. Bauschke , Xianfu Wang , Liangjin Yao

In a real Banach space, we first prove that the sum of a monotone operator of type (FPV) and maximal monotone operator Rockafellar's constraint qualification is maximal. This prove leads to the solution of most interesting long-time…

Functional Analysis · Mathematics 2019-02-11 S. R. Pattanaik , D. K. Pradhan , S. Pradhan

The most important open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximal monotone operators provided that Rockafellar's constraint qualification holds. In this paper, we prove the maximal…

Functional Analysis · Mathematics 2010-08-17 Liangjin Yao

The most important open problem in Monotone Operator Theory concerns the maximal monotonicity of the sum of two maximally monotone operators provided that Rockafellar's constraint qualification holds. In this paper, we prove the maximal…

Functional Analysis · Mathematics 2010-10-22 Liangjin Yao

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

Here, question raised by Borwein and Yao has been settled by establishing that the sum of two maximal monotone operators A and B is maximal monotone with the condition that A is of type (FPV) and satisfies Rockafellar's constraints…

Functional Analysis · Mathematics 2019-02-08 S. R. Pattanaik , D. K. Pradhan

This paper is primarily concerned with the problem of maximality for the sum $A+B$ and composition $L^{*}ML$ in non-reflexive Banach space settings under qualifications constraints involving the domains of $A,B,M$. Here $X$, $Y$ are Banach…

Functional Analysis · Mathematics 2007-05-23 M. D. Voisei

We prove when a Banach ideal of linear operators defined, or characterized, by the transformation of vector-valued sequences is maximal. Known results are recovered as particular cases and new information is obtained. To accomplish this…

Functional Analysis · Mathematics 2022-06-22 Geraldo Botelho , Jamilson R. Campos , Lucas Nascimento

The primary purpose of this paper is to investigate the question of invertibility of the sum of operators. The setting is bounded and unbounded linear operators. Some interesting examples and consequences are given. As an illustrative…

Functional Analysis · Mathematics 2018-10-04 Mohammed Hichem Mortad

We present maximality results in the setting of non necessarily bounded operators. In particular, we discuss and establish results showing when the "inclusion" between operators becomes a full equality.

Functional Analysis · Mathematics 2017-11-03 Mohammed Meziane , Mohammed Hichem Mortad

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

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

A conjecture is given that, if true, could lead to an algorithm for computing definite sums of rational functions.

Combinatorics · Mathematics 2007-05-23 Mark van Hoeij

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

The aim of this paper is to show that every representative function of a maximal monotone operator is the Fitzpatrick transform of a bifunction corresponding to the operator. In this way we exhibit the relation between the recent theory of…

Functional Analysis · Mathematics 2015-08-03 Monica Bianchi , Nicolas Hadjisavvas , Rita Pini

In this note we use recent results concerning the sum theorem for maximal monotone multifunctions in general Banach spaces to find new characterizations and properties of regular maximal monotone multifunctions and then use these to…

Functional Analysis · Mathematics 2008-12-16 Andrei Verona , Maria Elena Verona
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