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Subdifferential characterization of approximate convexity: the lower semicontinuous case

Abstract : It is known that a locally Lipschitz function f is approximately convex if, and only if, its Clarke subdifferential ∂C f is a submonotone operator. The main object of this work is to extend the above characterization to the class of lower semicontinuous functions. To this end, we establish a new approximate mean value inequality involving three points. We also show that an analogue of the Rockafellar maximal monotonicity theorem holds for this class of functions and we discuss the case of arbitrary subdifferentials
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https://hal.archives-ouvertes.fr/hal-00694605
Contributor : Marc Lassonde Connect in order to contact the contributor
Submitted on : Friday, May 4, 2012 - 10:56:30 PM
Last modification on : Wednesday, June 30, 2021 - 11:58:06 AM

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  • HAL Id : hal-00694605, version 1

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Aris Daniilidis, Florence Jules, Marc Lassonde. Subdifferential characterization of approximate convexity: the lower semicontinuous case. Mathematical Programming, Springer Verlag, 2009, 116 (1-2), pp.115-127. ⟨hal-00694605⟩

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