Abstract
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 monotonicity of A + B provided that A, B are maximally monotone and A is a linear relation, as soon as Rockafellar’s constraint qualification holds: \({\operatorname{dom}}\,A\cap{\operatorname{int}}\,{\operatorname{dom}}\,B\neq\varnothing\). Moreover, A + B is of type (FPV).
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Dedicated to Petar Kenderov on the occasion of his seventieth birthday.
J. M. Borwein was Laureate Professor at the University of Newcastle and Distinguished Professor at King Abdul-Aziz University, Jeddah.
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Borwein, J.M., Yao, L. Maximality of the Sum of a Maximally Monotone Linear Relation and a Maximally Monotone Operator. Set-Valued Var. Anal 21, 603–616 (2013). https://doi.org/10.1007/s11228-013-0259-y
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DOI: https://doi.org/10.1007/s11228-013-0259-y
Keywords
- Constraint qualification
- Convex set
- Fitzpatrick function
- Linear relation
- Maximally monotone operator
- Monotone operator
- Monotone operator of type (FPV)
- Multifunction
- Normal cone operator
- Rockafellar’s sum theorem
- Set-valued operator