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Revista de la Unión Matemática Argentina
Print version ISSN 0041-6932
Abstract
TURINICI, Mihai. Functional versions of the Caristi-Kirk theorem. Rev. Unión Mat. Argent. [online]. 2009, vol.50, n.1, pp.87-97. ISSN 0041-6932.
Many functional versions of the Caristi-Kirk fixed point theorem are nothing but logical equivalents of the result in question.
Keywords : Metric space; lsc function; Fixed/periodic point; Normality; Local boundedness; Feng-Liu property; Semimetric; Maximal element; Cauchy and asymptotic sequence; Regularity; Non-expansive map.
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