安抚 发表于 2025-3-23 12:47:44

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勉励 发表于 2025-3-23 14:36:11

V. V. Trofimov, and its pathophysiology is poorly understood. Moreover, the last two decades have witnessed a dramatic revision of the long-held view of MS as an inflammatory demyelinating white matter disease. Instead, it is now regarded as a global central nervous system (CNS) disorder with a neurodegenerative

maroon 发表于 2025-3-23 20:53:34

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冷淡周边 发表于 2025-3-23 22:42:05

Elements of Differential Geometry, the properties which are preserved under deformations that do not tear or glue together parts of the figure. Thus, the circumference, the boundary of a square, and the knot in Figure 1 have the same topological properties, while the sphere and the surface of a bread-ring have different topological

减至最低 发表于 2025-3-24 04:42:11

Lie Groups and Lie Algebras,hese objects are called . provided that the group operations are smooth. As a rule, Lie groups that occur in applications have nontrivial topological structure. In the introduction to this chapter we will consider one such example, the group SO(3) of orthogonal matrices of size 3 × 3 with the determ

KIN 发表于 2025-3-24 07:37:19

Symmetric Spaces,is a geodesic with γ(0) = ., then ..(.) = (−.). Such manifolds are called .. The existence of the isometries imposes strong constraints on the structure of the manifolds. For example, . must be ., which means that for any two points .., .. of . there is an isometry . of . that takes .. to ... In ord

无法破译 发表于 2025-3-24 11:52:29

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GRAIN 发表于 2025-3-24 16:02:42

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preservative 发表于 2025-3-24 20:57:41

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flammable 发表于 2025-3-25 02:56:14

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查看完整版本: Titlebook: Introduction to Geometry of Manifolds with Symmetry; V. V. Trofimov Book 1994 Springer Science+Business Media Dordrecht 1994 Algebraic str