Miscellaneous applications of certain minimax theorems. I

2015/10/16 by Ricceri, Biagio
#FOS: Mathematics #Functional Analysis (math.FA)

paper · doi:10.48550/arxiv.1510.05036

Abstract

Here is one of the results of this paper (with the convention 1\over 0=+∞): Let X be a real Hilbert space and let J:X→ \bf R be a C¹ functional, with compact derivative, such that α^*:=max \0,\limsup_{‖x‖→ +∞}J(x)\over ‖x‖² \

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