Smooth extensions for finite CW complexes

Gong, Guihua

doi:10.1090/S0002-9947-1994-1150013-1

Smooth extensions for finite CW complexes
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Trans. Amer. Math. Soc. 342 (1994), 343-358 Request permission

Abstract:

In this paper, we have completely classified the ${C_n}$-smooth elements of $\operatorname {Ext} (X)$ modulo torsion for X being an arbitrary finite CW complex.

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