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Minimax Theory and its Applications 06 (2021), No. 2, 353--364
Copyright Heldermann Verlag 2021



Duality Minimax and Applications

Sofia Giuffrè
D.I.I.E.S., Mediterranean University of Reggio Calabria, Reggio Calabria, Italy
sofia.giuffre@unirc.it

Attilio Marciano
D.I.I.E.S., Mediterranean University of Reggio Calabria, Reggio Calabria, Italy



The paper is devoted to the strong duality minimax theory, that works in infinite dimensional settings, and to its applications. In particular, we deal with the nonconstant gradient constrained problem and with the random traffic equilibrium problem. By means of this theory, we are able to show that, for both problems, the associated infinite dimensional variational inequalitiy on a convex feasible set is equivalent to a system of equations.

Keywords: Duality theory, Lagrange multipliers, Nonconstant gradient constraints, Random traffic equilibrium problem.

MSC: 49N15, 35J86, 49J55.

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