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A conservative Dehn’s lemma. (English) Zbl 0525.57005

Contemp. Math. 20, 121-130 (1983).
For the entire collection see [Zbl 0512.00022].

MSC:

57M35 Dehn’s lemma, sphere theorem, loop theorem, asphericity (MSC2010)
57R42 Immersions in differential topology
53C42 Differential geometry of immersions (minimal, prescribed curvature, tight, etc.)
57M40 Characterizations of the Euclidean \(3\)-space and the \(3\)-sphere (MSC2010)
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