Titlebook: Differential Geometry and Relativity; A Volume in Honour o M. Cahen,M. Flato Book 1976 D. Reidel Publishing Company, Dordrecht, Holland 197

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Tommaso Ruggeri,Masaru SugiyamaRecall that for any .. vector bundle . → ., equipped with a connection ? of curvature ., one defines (cf. Koszul[6]) an exterior differential d.: .. (.) →...(.) on the space .*(.) of differential forms on . with coefficients in . (i.e. sections of .(.)?.) by putting:

惡臭

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 ...

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infinite

Klaus Me?erschmidt ,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 [1]?

蚊子

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

抓住他投降

CHAR

Twisted ExotismRecall that for any .. vector bundle . → ., equipped with a connection ? of curvature ., one defines (cf. Koszul[6]) an exterior differential d.: .. (.) →...(.) on the space .*(.) of differential forms on . with coefficients in . (i.e. sections of .(.)?.) by putting:

PAEAN

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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 . : ..