Displaying similar documents to “Merging of degree and index theory.”

The fascinating homotopy structure of Sobolev spaces

Haïm Brezis (2003)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

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We discuss recent developments in the study of the homotopy classes for the Sobolev spaces W 1 , p M ; N . In particular, we report on the work of H. Brezis - Y. Li [5] and F.B. Hang - F.H. Lin [9].