Capítulo de Libro
Introduction to hyperconvex spaces
Autor/es | Espínola García, Rafael
Khamsi, Mohamed Amine |
Coordinador/Director | Kirk, William Art
Sims, Brailey |
Departamento | Universidad de Sevilla. Departamento de Análisis Matemático |
Fecha de publicación | 2001 |
Fecha de depósito | 2017-05-19 |
Publicado en |
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ISBN/ISSN | 9789048157334 9789401717489 |
Resumen | The notion of hyperconvexity is due to Aronszajn and Panitchpakdi (1956) who proved that a hyperconvex space is a nonexpansive absolute retract, i.e. it is a nonexpansive retract of any metric space in which it is isometrically ... The notion of hyperconvexity is due to Aronszajn and Panitchpakdi (1956) who proved that a hyperconvex space is a nonexpansive absolute retract, i.e. it is a nonexpansive retract of any metric space in which it is isometrically embedded. The corresponding linear theory is well developed and associated with the names of Gleason, Goodner, Kelley and Nachbin (see for instance. The nonlinear theory is still developing. The recent interest into these spaces goes back to the results of Sine and Soardi who proved independently that fixed point property for nonexpansive mappings holds in bounded hyperconvex spaces. Since then many interesting results have been shown to hold in hyperconvex spaces. |
Cita | Espínola García, R., y Khamsi, M.A. (2001). Introduction to hyperconvex spaces. En B. Sims, W.A. Kirk (Ed.), Handbook of Metric Fixed Point Theory (pp. 391-435). Dordrecht: Springer |
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