New Generalizations of Caristi’s Fixed Point Theorem Via Brézis–Browder Principle
Mathematica Moravica, Tome 8 (2004) no. 1.

Voir la notice de l'article dans eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In this paper, some generalizations of Caristi’s fixed point theorem are obtained via the Brézis–Browder principle: Theorems 2.1, 2.2, 3.1, and 3.2.
Mots-clés : fixed point, Caristi’s theorem, Brézis–Browder principle, orbit, lower semicontinuous functions 
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Temistocle Bîrsan. New Generalizations of Caristi’s Fixed Point Theorem Via Brézis–Browder Principle. Mathematica Moravica, Tome 8 (2004) no. 1. https://geodesic-test.mathdoc.fr/item/MM3_2004_8_1_a0/