aerobic
发表于 2025-3-26 22:33:15
https://doi.org/10.1007/b137677ing the semiring of .-vector bundles into its ring envelope. We saw that the basic properties of the equivariant versions of vector bundle theory have close parallels with the usual vector bundle theory, and the same is true for the related relative .-theories. This we carry further in this chapter
Lineage
发表于 2025-3-27 02:37:42
https://doi.org/10.1007/978-3-540-74956-1Cohomology; D-branes; K-Cohomology; algebra; category theory; fibre bundles; mathematical physics; ring the
假设
发表于 2025-3-27 09:14:19
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刺耳的声音
发表于 2025-3-27 12:14:35
Pflanzen als Nahrungsmittel und MedizinIn this chapter, we prepare the basic definitions on the homotopy relation between maps. These ideas apply everywhere in geometry, and it is usually the case that invariants of maps which are interesting are those which are the same for two homotopic maps.
健壮
发表于 2025-3-27 13:37:13
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松紧带
发表于 2025-3-27 18:33:50
https://doi.org/10.1007/978-3-662-60344-4A topological manifold . of dimension . has a fundamental class denoted by .. or ∈ ..(.), and when it has an orientation, this class is defined in ..(.) with the same notation. In each case, the cap product.
Interferons
发表于 2025-3-27 23:19:30
Heilpflanzen bei Darmerkrankungen,Orientation of a real vector bundle . can be described in terms of the .- associated principal bundle. Namely, orientability is equivalent to the property that the structure group of the bundle can be reduced to ..
etidronate
发表于 2025-3-28 05:29:13
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Delude
发表于 2025-3-28 06:36:58
Cohomology Classes as Homotopy Classes: CW-ComplexesWe consider filtered spaces and especially CW-complexes. Using the cofibre constructions, we discuss the Whitehead mapping theorem. This characterization of homotopy equivalence was already used in the study of the uniqueness properties of classifying spaces. This completes a question left open in the previous chapter.
昏迷状态
发表于 2025-3-28 12:49:49
Characteristic Classes of ManifoldsA topological manifold . of dimension . has a fundamental class denoted by .. or ∈ ..(.), and when it has an orientation, this class is defined in ..(.) with the same notation. In each case, the cap product.