esthetician
发表于 2025-3-23 12:16:34
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Fluctuate
发表于 2025-3-23 14:07:19
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PLIC
发表于 2025-3-23 20:05:51
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osculate
发表于 2025-3-24 00:45:27
https://doi.org/10.1007/978-3-642-65012-3Invariant; Mannigfaltigkeit; homology; homotopy; manifold; proof; theorem; topology
圆柱
发表于 2025-3-24 03:01:12
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NAIVE
发表于 2025-3-24 08:02:55
The Browder-Livesay Invariants,We say that an involution (. .) of a homotopy sphere . . . if there is an embedded (smoothly or p.1., depending on the category we’re working on) homotopy sphere . . ⊂ . . which is invariant under .. We also say that (. .) is a . of (.|., . ) and that (.|. ., . . ) is a . of (. .). See also IV.3.2 and V.1.
Gleason-score
发表于 2025-3-24 14:19:51
Combinatorial Classification of Involutions,We consider in this section the maps.which are, respectively, the double covering, the natural inclusion and the map of degree 1 (pinching the complement of an open ball to a point). . is the cofibre (mapping cone) of ., .is the cofibre of ., and the composition . . has degree 0 if . is even, degree 2 if . is odd.
松软
发表于 2025-3-24 18:23:21
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高度赞扬
发表于 2025-3-24 22:19:02
Relations with Non-simply-connected Surgery Obstructions,transform . and . to obtain a manifold homotopy equivalent to .. To be able to apply the techniques of surgery one has to assume the existence of a stable bundle . over . and a bundle map .: . →. covering ., where v . is the stable normal bundle of .:
反抗者
发表于 2025-3-25 02:11:15
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