An improvement of a saddle point theorem and some of its applications

zbMath1484.49021arXiv2101.07835MaRDI QIDQ5861880

Biagio Ricceri

Publication date: 2 March 2022

Full work available at URL: https://arxiv.org/abs/2101.07835

zbMATH Keywords

variational inequalityHilbert spacesaddle pointball\(C^{1,1}\) functionbest approximation point

Mathematics Subject Classification ID

Variational and other types of inequalities involving nonlinear operators (general) (47J20) Variational inequalities (49J40) Best approximation, Chebyshev systems (41A50) Existence of solutions for minimax problems (49J35)

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