AWRY
发表于 2025-3-23 12:12:01
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Postmenopause
发表于 2025-3-23 15:24:48
Applications of lightlike geometry,In this chapter we present applications of lightlike geometry in the study of null 2-surfaces in spacetimes, lightlike versions of harmonic maps and morphisms, CRstructures in general relativity and lightlike contact geometry in physics.
注射器
发表于 2025-3-23 18:35:14
Applications of lightlike hypersurfaces,rst, we deal with .. We prove a . and relate it with physically significant works of Galloway on null hypersurfaces in general relativity, Ashtekar and Krishnan’s work on dynamical horizons and Sultana-Dyer’s work on ., with related references. Secondly, we present the latest work on . .
Scleroderma
发表于 2025-3-23 23:11:40
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弄脏
发表于 2025-3-24 04:27:31
Rationalität und Egoismus im Recht r every pair (.) of the points . ∈ .. This function . is known as the Euclidean metric in .. Then, we call . with the metric . the .-dimensional Euclidean space. Consider . a real .-dimensional vector space with a symmetric bilinear mapping .: . × . → .. We say that g is positive (negative) definite
In-Situ
发表于 2025-3-24 07:27:42
https://doi.org/10.1007/978-3-658-43825-8from the point of physics lightlike hypersurfaces are of importance as they are models of various types of horizons, such as Killing, dynamical and conformal horizons, studied in general relativity (see some details in Chapter 3). However, due to the degenerate metric of a lightlike submanifold ., o
neolith
发表于 2025-3-24 14:38:21
Rationalität und Umweltverhaltenrst, we deal with .. We prove a . and relate it with physically significant works of Galloway on null hypersurfaces in general relativity, Ashtekar and Krishnan’s work on dynamical horizons and Sultana-Dyer’s work on ., with related references. Secondly, we present the latest w
dilute
发表于 2025-3-24 16:51:21
Rationalitäten des Kinderschutzesdegenerate case , CR-lightlike submanifolds are non-trivial (i.e., they do not include invariant (complex) and real parts). Since then considerable work has been done on new concepts to obtain a variety of classes of lightlike submanifolds. In this chapter we present up-to-date new resu
包裹
发表于 2025-3-24 19:05:15
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健谈的人
发表于 2025-3-25 00:54:49
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