The set of exponents for isomorphic extensions of Hölder maps is not always closed
- Autores: Sylvain Delpech
- Localización: Extracta mathematicae, ISSN-e 0213-8743, Vol. 23, Nº 2, 2008, págs. 131-138
- Idioma: inglés
- Enlaces
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Resumen
We give examples of Banach spaces X and Y such that the sets of ® 2 (0; 1], which satisfy that every ®-HÄolder maps from a subset of X into Y can be isomorphically extended to all X, are not closed. This answers a question of Lancien and Randrianantoanina.
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