下垂 发表于 2025-3-26 21:59:18

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无畏 发表于 2025-3-27 03:45:34

Correspondences,graph of a rational map, are basic examples, but more general correspondences have played an important role in the development of algebraic geometry. On complete non-singular varieties correspondences have a product ß ° α, and a correspondence .determines homomorphisms α.from . to ., and α. from . t

鞭打 发表于 2025-3-27 05:32:48

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myalgia 发表于 2025-3-27 13:09:49

Riemann-Roch for Singular Varieties,f a closed subset . This produces a localized Chern character. ch.(.) which lives in the bivariant group.For each class α∈..., this gives a class.whose image in. is.The properties needed for Riemann-Roch, in particular the invariance under rational deformation, follow from the bivariant nature of ch

指数 发表于 2025-3-27 15:39:51

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死亡 发表于 2025-3-27 20:02:21

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Ejaculate 发表于 2025-3-27 21:55:57

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Conjuction 发表于 2025-3-28 05:57:40

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友好 发表于 2025-3-28 08:19:33

William Fulton die Philosophie der Mathematik nachzudenken und eine eigene Position zu formulieren und für diese zu argumentieren. .Die zweite Auflage ist vollständig durchgesehen und um ein Kapitel zum Idealismus ergänzt. .978-3-662-63713-5978-3-662-63714-2

ATOPY 发表于 2025-3-28 12:15:22

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查看完整版本: Titlebook: Intersection Theory; William Fulton Book 1998Latest edition Springer-Verlag Berlin Heidelberg 1998 Chern class.Division.Divisor.Equivalenc