Zobrazeno 1 - 10
of 9 787
pro vyhledávání: '"Flat geometry"'
The solution of Einstein field equations for static spherically symmetric spacetime metric with anisotropic internal stresses has been obtained. The matter has vanishing complexity and a spacetime metric that satisfies the Karmarkar condition and is
Externí odkaz:
http://arxiv.org/abs/2411.06988
Publikováno v:
Physica Scripta, 96(12) (2021) 125034
In the present paper we examine a projectively flat spacetime solution of $F(R)$-gravity theory. It is seen that once we deploy projective flatness in the geometry of the spacetime, the matter field has constant energy density and isotropic pressure.
Externí odkaz:
http://arxiv.org/abs/2111.09483
Publikováno v:
J. Stat. Phys. 183, 49 (2021)
We study $N$ vicious Brownian bridges propagating from an initial configuration $\{a_1 < a_2 < \ldots< a_N \}$ at time $t=0$ to a final configuration $\{b_1 < b_2 < \ldots< b_N \}$ at time $t=t_f$, while staying non-intersecting for all $0\leq t \leq
Externí odkaz:
http://arxiv.org/abs/2103.02545
Autor:
Grela, Jacek1 (AUTHOR), Majumdar, Satya N.2 (AUTHOR), Schehr, Grégory3 (AUTHOR) gregory.schehr@u-psud.fr
Publikováno v:
Journal of Statistical Physics. Feb2023, Vol. 190 Issue 2, p1-4. 4p.
Autor:
Riul, Pedro Benedini, Sinha, Raúl Oset
We study the flat geometry of the least degenerate singularity of a singular surface in $\mathbb R^4$, the $I_{1}$ singularity parametrised by $(x,y)\mapsto(x,xy,y^{2},y^{3})$. This singularity appears generically when projecting a regular surface in
Externí odkaz:
http://arxiv.org/abs/1804.11220
Let M be a Seifert manifold which belongs to the geometry Flat. In this work we determine all the free involutions {\tau} on M, and the Borsuk-Ulam indice of (M,{\tau}).
Externí odkaz:
http://arxiv.org/abs/1807.00159
Publikováno v:
Educação Matemática Debate, Vol 3, Iss 9, Pp 255-266 (2018)
In this paper we aim to analyze how a figure proposed as part of the statement of a problem situation about flat Geometry can influence the resolution procedures presented by students entering a Mathematics degree course. This article is a clipping f
Externí odkaz:
https://doaj.org/article/628b1abe282e415e9a96de2218d8a1fd
Autor:
Sinha, Raúl Oset, Tari, Farid
We study the geometry of the cuspidal edge $M$ in $\mathbb R^3$ derived from its contact with planes and lines (referred to as flat geometry). The contact of $M$ with planes is measured by the singularities of the height functions on $M$. We classify
Externí odkaz:
http://arxiv.org/abs/1610.08702
Conference
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Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 881-886 (2021)
This study is to find the extent of variation in mechanical properties between plate and pipe welds fabricated out of the same FSW process parameters. Common thickness of 3 mm along with similar tool specifications is used to fabricate the weld. Proc
Externí odkaz:
https://doaj.org/article/7e64fd82b2ce4302a503eeba789d9efa