¹Mohammed Ben Abdellah University, Faculty of Sciences, B. P. 1796 Fez, Morocco.
E-mail: akheldouni@yahoo.fr

It is the aim of this paper to provide an elementary definition of CW-complexes with duality and envisage some problems of gluing and cutting.

Key words: Poincaré duality, homotopy-equivalence, simple-homotopy equivalence.

El propósito de este artículo es suministrar una definición elemental de CW-complejos con dualidad y prever algunos problemas de pegado y cortado.

Palabras clave: Dualidad de Poincaré, equivalencia homotópica, equivalencia homotópica simple.

Texto completo disponible en PDF

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