亚麻制品
发表于 2025-3-27 00:22:57
The eta invariant and the equivariant spin bordism of spherical space form 2 groups,We use the eta invariant to compute the equivariant spin bordism groups ............
杀子女者
发表于 2025-3-27 05:02:21
The trace decomposition of tensors of type (1,2) and (1,3),In this paper, elementary methods are applied to determine the trace decomposition of tensors of type (1,2), and (1,3) on a real, finite-dimensional vector space. Explicit decomposition formulas are given showing the dependence of the decomposition on the dimension of the underlying vector space. The unigueness of the decomposition is discussed.
Fabric
发表于 2025-3-27 06:18:03
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箴言
发表于 2025-3-27 10:53:50
https://doi.org/10.1007/978-94-009-0149-0Finsler geometry; Riemannian geometry; Theoretical physics; curvature; diffeomorphism; differential geome
aplomb
发表于 2025-3-27 16:49:07
Hypercomplex structures on quaternionic manifolds,n particular for a quaternionic Kähler manifold .. Some special systems of almost hypercomplex structures which are admissible for . are also considered and their relationships with quaternionic transformations are indicated.
Acupressure
发表于 2025-3-27 17:50:35
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Ardent
发表于 2025-3-28 02:01:08
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我怕被刺穿
发表于 2025-3-28 05:39:54
,Classification of differential (, — 1)-forms on an ,-dimensional manifold with boundary, pullback via a diffeomorphism, which preserves the manifold together with its boundary. We present a complete list of the locally stable .-forms. We also classify all the stable (. — 1)-forms, provided a kernel of these forms meets the boundary transversally. We show that a 1-form on a 2-dimensiona
TRACE
发表于 2025-3-28 07:59:50
Natural relations between connections in 2-fibred manifolds, role of a naturality of the constructions is discussed and the formalism is applied in two particular situations. First, natural relations between connections in ... are studied and their role for the integrability of partial differential equations represented by connections in question is describe
Efflorescent
发表于 2025-3-28 13:17:53
The parametric-manifold approach to canonical gravity,ruence of timelike curves. The non-Riemannian geometry of the curves, considered to be points of a . differentiate manifold, incorporates time as a parameter in the differential structure of the manifold..The Lagrangian contains the spatial 3-metric ., its conformal multiplier . and the connection o