Liberate
发表于 2025-3-23 10:13:23
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破布
发表于 2025-3-23 15:37:56
John M. Edington,M. Ann Edingtonoduce the class of nearly extendable multi-valued maps and prove that every acyclic upper semi-continuous nearly extendable multi-valued map of arbitrary compactum having Čech homology of finite type into itself with non-trivial Lefschetz numer has a fixed point.
枫树
发表于 2025-3-23 19:05:53
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habile
发表于 2025-3-24 00:17:24
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条街道往前推
发表于 2025-3-24 05:34:21
Sheaves that are locally constant with applications to homology manifolds, the orientation sheaf is locally constant. Additional applications appearing elsewhere include determining the homological local connectivity of decomposition spaces and providing dimension estimates of the images of closed mappings.
STAT
发表于 2025-3-24 09:03:31
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Cervical-Spine
发表于 2025-3-24 14:09:15
0075-8434versus cohomological dimension, ANR‘s and LCn-compacta, homology manifolds, embeddings of continua into manifolds, complement theorems in shape theory, approximate fibrations and shape fibrations, fibered shape, exact homologies and strong shape theory.978-3-540-18443-0978-3-540-47975-8Series ISSN 0075-8434 Series E-ISSN 1617-9692
粗俗人
发表于 2025-3-24 15:05:36
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地壳
发表于 2025-3-24 20:44:42
Sheaves that are locally constant with applications to homology manifolds,lyses applies regardiess of the source of the presheaves, the applications involve either the homology presheaf and sheaf of a space or the cohomology presheaf and sheaf of a continuous function. Amongst the applications is an elementary proof that homology manifolds are locally orientable; that is,
我说不重要
发表于 2025-3-24 23:22:14
The intimate connections among decomposition theory, embedding theory, and manifold structure theor