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Variational principles, completeness and the existence of traps in behavioral sciences

Abstract : In this paper, driven by Behavioral applications to human dynamics, we consider the characterization of completeness in pseudo-quasimetric spaces in term of a generalization of Ekeland’s variational principle in such spaces, and provide examples illustrating significant improvements to some previously obtained results, even in complete metric spaces. At the behavioral level, we show that the completeness of a space is equivalent to the existence of traps, rather easy to reach (in a worthwhile way), but difficult (not worthwhile to) to leave. We first establish new forward and backward versions of Ekeland’s variational principle for the class of strict-decreasingly forward (resp. backward)-lsc functions in pseudo-quasimetric spaces. We do not require that the space under consideration either be complete or to enjoy the limit uniqueness property since, in a pseudo-quasimetric space, the collections of forward-limits and backward ones of a sequence, in general, are not singletons.
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https://hal-amu.archives-ouvertes.fr/hal-01985313
Contributor : Elisabeth Lhuillier <>
Submitted on : Thursday, January 17, 2019 - 7:10:02 PM
Last modification on : Wednesday, August 5, 2020 - 3:17:09 AM

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T. Bao, S. Cobzaş, Antoine Soubeyran. Variational principles, completeness and the existence of traps in behavioral sciences. Annals of Operations Research, Springer Verlag, 2018, 269 (1-2), pp.53-79. ⟨10.1007/s10479-016-2368-0⟩. ⟨hal-01985313⟩

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