论文信息 - A characterization of maps in $H^1 (B^3, S^2)$ which can be approximated by smooth maps - 字舞流文

A characterization of maps in $H^1 (B^3, S^2)$ which can be approximated by smooth maps

Abstract We characterize the maps in H 1 (B 3 , S 2 ) which can be approximated by smooth ones.

F. Béthuel | Fabrice Bethuel

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