inhibit 发表于 2025-3-25 07:08:20

Tommaso Ruggeri,Masaru SugiyamaRecall that for any .. vector bundle . → ., equipped with a connection ∇ of curvature ., one defines (cf. Koszul) an exterior differential d.: .. (.) →...(.) on the space .*(.) of differential forms on . with coefficients in . (i.e. sections of .(.)⊗.) by putting:

恶臭 发表于 2025-3-25 09:32:28

Inductive Reasoning in Repeated GamesThe purpose of this paper is to investigate a natural generalization of the .-cohomology of an analytic complex manifold in the case of an almost-complex manifold. The structures are assumed to be ...

dissent 发表于 2025-3-25 12:09:20

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infinite 发表于 2025-3-25 18:31:39

Klaus Meßerschmidt ,A. Daniel Oliver-LalanaIn the last decade mathematical physicists have been especially interested by the group of conformal transformations of space-time — the so-called conformal group. What are the main physical reasons for the increasing interest in such an old subject ?

蚊子 发表于 2025-3-25 22:21:03

On Automorphisms of Spaces of Nonpositive Curvature with Finite VolumeThe purpose of this paper is to show that the automorphism group of a space of nonpositive curvature with finite total volume is usually finite.

悠然 发表于 2025-3-26 03:59:06

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抓住他投降 发表于 2025-3-26 07:42:13

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CHAR 发表于 2025-3-26 08:42:41

Twisted ExotismRecall that for any .. vector bundle . → ., equipped with a connection ∇ of curvature ., one defines (cf. Koszul) an exterior differential d.: .. (.) →...(.) on the space .*(.) of differential forms on . with coefficients in . (i.e. sections of .(.)⊗.) by putting:

PAEAN 发表于 2025-3-26 12:46:38

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我不怕牺牲 发表于 2025-3-26 18:38:53

Pseudogroups and Linear Connections on a Banach Fibre BundleLet . : . be a locally trivial Banach fibre bundle, of class .(. ≥ 2), with connected base . modelled on a Banach space B and fibre a Banach space E. A local infinitesimal transformation, or l.i.t., of this vector bundle is a local vector field . on . generating germs of 1-parameter groups of local isomorphisms of . : ..
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查看完整版本: Titlebook: Differential Geometry and Relativity; A Volume in Honour o M. Cahen,M. Flato Book 1976 D. Reidel Publishing Company, Dordrecht, Holland 197