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Revista Integración
Print version ISSN 0120-419X
Integración - UIS vol.31 no.2 Bucaramanga July/Dec. 2013
Una introducción a los retractos absolutos y a
los retractos de vecindad absolutos
SERGIO MACÍAS*
Universidad Nacional Autónoma de México, Instituto de Matemáticas, C.P. 04510,
México D.F., México
Resumen. El objetivo de este trabajo es presentar algunas de las propiedades elementales que tienen los retractos absolutos y los retractos de vecindad absolutos.
Palabras claves: Cubo de Hilbert, espacio contráctil, extensor absoluto, extensor de vecindad absoluto, retracto, retracto absoluto, retracto de vecindad, retracto de vecindad absoluto.
MSC2010: 54C15, 54C55, 54G05.
An introduction to absolute retracts and absolute
neighborhood retracts
Abstract. The purpose of this paper is to present elementary properties of absolute retracts and absolute neighborhood retracts.
Keywords: Hilbert cube, contractile space, absolute extensor, extensor absolute neighborhood retract, absolute retract, neighborhood retracts, absolute neighborhood retracts.
Texto Completo disponible en PDF
Referencias
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*E-mail: sergiom@matem.unam.mx.
Recibido: 30 de septiembre de 2013, Aceptado: 26 de noviembre de 2013.