搜索结果: 46-60 共查到“理学 THE 3-SPHERE”相关记录86条 . 查询时间(0.281 秒)
Determining When The Universal Abelian Cover of a Graph Manifold is a Rationla Homology Sphere
Universal Abelian Cover Graph Rationla Homology Sphere
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2010/11/8
It was shown in my earlier article that the splice diagram of a rational homology sphere graph manifold determines the manifolds universal abelian cover. In this article we use the proof of this to g...
Flows of constant mean curvature tori in the 3-sphere: The equivariant case
curvature tori the 3-sphere
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2010/11/18
We present a deformation for constant mean curvature tori in the 3-sphere. We show that the moduli space of equivariant constant mean curvature tori in the 3-sphere is connected, and we classify the m...
Polynomial Approximation in Sobolev Spaces on the Unit Sphere and the Unit Ball
Polynomial Sobolev Spaces Unit Sphere Unit Ball
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2010/11/18
This work is a continuation of the recent study by the authors on approximation theory over the sphere and the ball. The main results define new Sobolev spaces on these domains and study polynomial ap...
Complexity Adjusted Soft-Output Sphere Decoding by Adaptive LLR Clipping
Soft-Output Sphere Decoding Adaptive LLR Clipping
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2010/11/15
A-posteriori probability (APP) receivers operating over multiple-input, multiple-output channels provide enhanced performance at the cost of increased complexity. However, employing full APP processi...
Factorization formulas for higher depth determinants of the Laplacian on the n-sphere
depth determinants the Laplacian on the n-sphere
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2010/11/19
We explicitly give factorization formulas for higher depth determinants, which are defined via derivatives of the spectral zeta function at non-positive integer points, of Laplacians on the n-sphere i...
The Schrödinger-Poisson system on the sphere
The Schrö dinger-Poisson system the sphere
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2010/11/11
We study the Schr\"odinger-Poisson system on the unit sphere $\SS^2$ of $\RR^3$, modeling the quantum transport of charged particles confined on a sphere by an external potential. Our first results c...
Two classes of slant surfaces in nearly Kahler six sphere
slant surfaces K¨ahler angle octonions six sphere
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2010/12/14
In this paper we find examples of slant surfaces in the nearly K¨ahler six sphere. First, we characterize two-dimensional small and great spheres which are slant.
The sphere and the cut locus at a tangency point in two-dimensional almost-Riemannian geometry
almost-Riemannian geometry conjugate and cut loci
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2010/12/6
We study the tangential case in 2-dimensional almost-Riemannian geometry. We analyse the connection with the Martinet case in sub-Rieman-nian geometry. We compute estimations of the exponential map wh...
Stability and preconditioning for a hybrid approximation on the sphere
radial basis functions approximation on the sphere
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2010/12/9
This paper proposes a new preconditioning scheme for a linear system with a saddle-point structure arising from a hybrid approximation scheme on the sphere, an approximation scheme that combines (loca...
Equivalence problem for the orthogonal webs on the sphere
Equivalence problem orthogonal webs sphere
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2010/12/9
We solve the equivalence problem for the orthogonally separable webs on the three-sphere under the action of the isometry group. This continues a classical project initiated by Olevsky in which he sol...
Linking, twisting, writhing and helicity on the 3-sphere and in hyperbolic 3-space
Linking twisting writhing helicity 3-sphere and in hyperbolic 3-space
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2010/12/8
In the rst paper of this series, \Electrodynamics and the Gauss Linking Integral on the 3-sphere and in hyperbolic 3-space," we developed a steady-state version of classical electrodynamics in these ...
Decomposing diffeomorphisms of the sphere
Decomposing diffeomorphisms sphere
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2010/12/9
1.1. Background. A bi-Lipschitz homeomorphism f : X → Y between metric spaces is a mapping f such that f and f−1 satisfy a uniform Lipschitz condition.
A (--86)-Sphere in the K3 Surface
K3 Surface self-intersection number [S]
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2010/3/5
Consider the self-intersection number [S].[S] of a 2-dimensional sphere S embedded into a K3 surface. Since a K3 surface is spin, [S].[S] is even and by Gauge theoretical arguments [S].[S]\le 0. No ot...
Uniform density static fluid sphere in higher dimensions and its universality
spacetime dimension uniform density sphere
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2010/3/18
In Newtonian theory, gravity inside a constant density static sphere is independent of spacetime dimension. Interestingly this general result is also carried over to Einsteinian as well as higher orde...
Fock quantization of a scalar field with time dependent mass on the three-sphere: unitarity and uniqueness
Fock quantization scalar field unitarity
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2010/3/17
We study the Fock description of a quantum free field on the three-sphere with a mass that depends explicitly on time, also interpretable as an explicitly time dependent quadratic potential. We show t...