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Perturbations of Supinf Problems with Constraints

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Abstract

We investigate constrained supinf problems for functions of two variables. Conditions are given which assure that the objective function can be perturbed by continuous functions with arbitrary small norms in such a way that the supinf problem for the perturbed function has a solution. We also give a characterization of the notion of well-posedness for such problems.

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Acknowledgements

The second author has been partially supported by the Bulgarian National Fund for Scientific Research, under grant KP-06-H22/4.

The third author has been partially supported by the Bulgarian National Fund for Scientific Research, under grant DFNI-DNTS/Russia 01/9/2017.

Part of the results in this article were obtained while the third author was visiting professor during the second semester of 2018 at the Pantheon-Assas University, Paris.

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Correspondence to J. P. Revalski.

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Dedicated to the 80th birthday of Alexander Ioffe.

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Gaumont, D., Kamburova, D. & Revalski, J.P. Perturbations of Supinf Problems with Constraints. Vietnam J. Math. 47, 659–667 (2019). https://doi.org/10.1007/s10013-019-00351-9

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  • DOI: https://doi.org/10.1007/s10013-019-00351-9

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