搜索结果: 1-15 共查到“知识库 理学 differential geometry”相关记录15条 . 查询时间(0.077 秒)
Sub-Geometries of Lie Sphere Differential Geometry
Sub-Geometries Lie Sphere Differential Geometry
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2015/3/24
Sub-Geometries of Lie Sphere Differential Geometry.
On the Discrete Differential Geometry of Surfaces in S4
integrable klein lie quaternion touch
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2014/12/8
The Grassmannian space GC(2, 4) embedded in CP5 as the Klein quadric of twistor theory has a natural interpretation in terms of the geometry of “round” 2-spheres in S4. The incidence of two lines in C...
Simulation Topographical Surfaces Geographical and Geological Using Differential Geometry
Structural Geology Topography Surfaces Differential Geometry Modeling Images Optically
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2013/3/7
By applying differential geometry to analogue models developed such a model is calculated for the geometrical shape. Dip measurements are critical data for geologists, and in particular for structural...
General relativity, differential geometry, and unitary theories in the work of Mira Fernandes
General relativity differential geometry unitary theories
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2010/12/27
An analysis of the work of Mira Fernandes on unitary theories is presented.
Differential geometry with a projection: Application to double field theory
Differential geometry projection field theory
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2010/12/23
In recent development of double field theory, as for the description of the massless sector of closed strings, the spacetime dimension is formally doubled, i.e. from D to D+D, and the T-duality is re...
General relativity, differential geometry, and unitary theories in the work of Mira Fernandes
General relativity differential geometry unitary theories
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2010/12/21
Aureliano de Mira Fernandes, born in 1884 in Portugal, was professor of Differential and Integral Calculus and Rational Mechanics, at Instituto Superior T´ecnico,from its foundation in 1911, onw...
Multi linear formulation of differential geometry and matrix regularizations
Multi linear formulation differential geometry matrix regularizations
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2010/12/13
We prove that many aspects of the differential geometry of embed-ded Riemannian manifolds can be formulated in terms of multi linear algebraic structures on the space of smooth functions. In particula...
NOTE ON THE PROJECTIVE DIFFERENTIAL GEOMETRY OF SPACE CURVES
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2007/12/13
<正> INTRODUGTION.1.In the proiective theory of a curve in ordinary space thereare introduced various systems of tetrahedrons associated to a pointof the curve.Most of them are,more or less,artificial ...
PROJECTIVE DIFFERENTIAL GEOMETRY OF SINGULARITIES OF PLANE CURVES
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2007/12/12
<正> In a recent paper the present author has established somerepresentations for a plane curve C in the neighbourhood of a singularpoint O characterized by the property that the tangent t(?) of C at O...
PROJECTIVE DIFFERENTIAL GEOMETRY
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2007/12/12
<正> By hypothesis the curve C_m has with C a contact of order m+1;the constant term and the coefficient of the term s in the expansion off/s~m must vanish,namely……
ORDERING IN AUTOMATED THEOREMPROVING OF DIFFERENTIAL GEOMETRY
Wu's method ordering
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2007/12/11
A new ordering method is proposed for automated theorem proving of differential geometry,by which Cartan's moving frame method can be combined with Wu's elimination principle.
AUTOMATED REASONING IN DIFFERENTIAL GEOMETRY AND MECHANICS USING THE CHARACTERISTIC METHOD Ⅳ. Bertrand Curves
Mechanical theorem proving metric differ
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2007/8/7
This paper reports the study of properties of the curve pairs of the Bertrand types using our automated reasoning program based on Wu's method of mechanical theorem proving for differential geometry. ...
ON THE FOUNDATION OF ALGEBRAIC DIFFERENTIAL GEOMETRY
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2007/8/7
An algebraic differential variety is defined as the zero-set of a differential polynomial set, and algebraic differential geometry is devoted to the study of such varieties. We give various decomposit...
A REMARK ON SOME NUMERICAL RESULTS IN COMPLEX DIFFERENTIAL GEOMETRY
REMARK NUMERICAL RESULTS COMPLEX DIFFERENTIAL GEOMETRY
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2018/4/20
In order to find explicit numerical approximation of K¨ahler-Einstein metric of projective manifolds, Donaldson introduced in [3] various operators with good properties to approximate classical operat...
Convergence Analysis of Discrete Differential Geometry Operators over Surfaces
Normal estimation Surface triangulation Convergence
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2012/8/1
In this paper, we study the convergence property of several discrete schemes of the surface normal.We show that the arithmetic mean, the area-weighted averaging, and the angle-weighted averaging schem...