Weak and strong convergence results for sum of two monotone operators in reflexive banach spaces

Ferdinard U. Ogbuisi, Lateef O. Jolaoso, Yekini Shehu

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The purpose of this paper is to study an inclusion problem which involves the sum of two monotone operators in a real reflexive Banach space. Using the technique of Bregman distance, we study the operator Resf T ◦ Af which is the composition of the resolvent of a maximal monotone operator T and the antiresolvent of a Bregman inverse strongly monotone operator A and prove that 0 ∈ T x+Ax if and only if x is a fixed point of the composite operator Resf T ◦Af. Consequently, weak and strong convergence results are given for the inclusion problem under study in a real reflexive Banach space. We apply our results to convex optimization and mixed variational inequalities in a real reflexive Banach space. Our results are new, interesting and extend many related results on inclusion problems from both Hilbert spaces and uniformly smooth and uniformly convex Banach spaces to more general reflexive Banach spaces.

Original languageEnglish
Pages (from-to)281-304
Number of pages24
JournalFixed Point Theory
Volume21
Issue number1
DOIs
Publication statusPublished - 2020
Externally publishedYes

Keywords

  • Antiresolvent operators
  • Bregman distance
  • Inclusion problem
  • Maximal monotone operators
  • Reflexive Banach spaces

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