发表于 2025-3-23 12:39:40

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做事过头 发表于 2025-3-23 17:48:03

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overrule 发表于 2025-3-23 18:38:44

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fulmination 发表于 2025-3-24 00:20:42

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猛击 发表于 2025-3-24 03:56:51

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Protein 发表于 2025-3-24 09:16:11

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流逝 发表于 2025-3-24 13:06:45

From PL to Sheaf Theory (Rock to Bach),each entitled to have our own preference in music. But let’s not forget that to the original geometers, homology was not a derived functor on the category of sheaves, nor a functor from spaces to groups satisfying axioms 1–7. Homology was space itself, space with multiplicities.

胰脏 发表于 2025-3-24 18:19:05

Les Foncteurs de la Categorie des Faisceaux Associes a Une Application Continue,ie des faisceaux de A-modules, notés f., et f., qui permettent de déterminer une dualité de Poincaré pour les espaces localement compacts. L’actualité de ces foncteurs, connus et utilisés depuis longtemps en géométrie algébrique (voir [.]), provient du fait qu’ils interviennent dans la théorie de la cohomologie d’intersection (voir [.]).

混杂人 发表于 2025-3-24 21:55:49

Problems and Bibliography on Intersection Homology,.]. For a small resolution π: . there is a canonical isomorphism .. We might expect other “intersection functors” to satisfy a similar identity. A severe limitation on the existence of such functors is therefore provided by the existence of spaces which have two different small resolutions.

小淡水鱼 发表于 2025-3-24 23:49:34

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查看完整版本: Titlebook: Intersection Cohomology; Armand Borel Book 1984 Birkhäuser Boston 1984 Algebraic topology.Verdier duality.algebra.cohomology.cohomology th