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Artículo
Fixed points and approximate fixed points in product spaces
Espínola García, Rafael; Kirk, William Art (The Mathematical Society of the Republic of China, 2001-06)The paper deals with the general theme of what is known about the existence of fixed points and approximate fixed points ...
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Capítulo de Libro
Introduction to hyperconvex spaces
Espínola García, Rafael; Khamsi, Mohamed Amine (Springer, 2001)The notion of hyperconvexity is due to Aronszajn and Panitchpakdi (1956) who proved that a hyperconvex space is a nonexpansive ...