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complex manifold

Deformation of generic submanifolds in a complex manifold

Deformation of generic submanifolds in a complex manifold

... in complex space or, more generally, in a complex manifold, require the imposition of some nondegeneracy ...a complex manifold can be deformed into another generic submanifold ...

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Characterizing normal crossing hypersurfaces

Characterizing normal crossing hypersurfaces

... The article contains the following: in section 2 singularities of normal crossing divi- sors are studied in order to prove Theorem A. Free divisors are introduced via the Jacobian ideal characterization due to ...

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Submanifolds of F structure manifold satisfying FK+(−)K+1F=0

Submanifolds of F structure manifold satisfying FK+(−)K+1F=0

... dimensional manifold M endowed with an F-structure satisfying F K + (−) K+1 F = 0 and F W + (−) W+1 F ≠ 0 for 1 < W < K, where K is a fixed positive integer greater than ...F-structure manifold M in ...

6

5087.pdf

5087.pdf

... QK manifold, however, is a complex ...QK manifold. We define the generalized complex structure on the twistor space of a QK manifold arising from the natural almost complex ...

93

Review of complex conformal structures of 1 dimensional Riemannian manifold

Review of complex conformal structures of 1 dimensional Riemannian manifold

... A complex manifold of complex dimension 1 is called a Riemann surface or 1-Dimensional Riemannian manifold and introduce a Complex structure as: Suppose that is a 2n -dimensional ...

12

CFD-based Study of Velocity Distribution among Multiple Parallel Microchannels

CFD-based Study of Velocity Distribution among Multiple Parallel Microchannels

... In our previous works, we studied the characteristics of velocity distribution among non-uniform cross-section microchannels[14], parallel microchannels with complex manifold geometries[15] and asymmetrical ...

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Determination Thermal Performance of a New Integrated Exhaust Manifold Cylinder Head in Diesel Engine

Determination Thermal Performance of a New Integrated Exhaust Manifold Cylinder Head in Diesel Engine

... [7] Jafar M Hasan, Wahid S Mohammad, Thamer A Mohamed, Wissam H Alawee, “CFD Simulation for Manifold with Tapered Longitudinal Section” International Journal of Emerging Technology and Advanced Engineering, Volume ...

7

Hitchin's equations on a nonorientable manifold

Hitchin's equations on a nonorientable manifold

... non-orientable manifold with the moduli space of flat connections and therefore the representation ...connected complex semi-simple Lie ...compact manifold M , the representation variety is also ...

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Spontaneous Emergence of Physical Structures and Observable Formations: Fluctuations, Waves, Turbulent Pulsations and So on

Spontaneous Emergence of Physical Structures and Observable Formations: Fluctuations, Waves, Turbulent Pulsations and So on

... Such emerged formations are described by generalized solutions to the equations of mathematical physics. The functions that correspond to generalized solutions, as it is known, are discrete functions. Such functions or ...

8

Tensor of the Type (0,4) in a Manifold Equipped  with an almost Para Norden Contact Metric Manifold

Tensor of the Type (0,4) in a Manifold Equipped with an almost Para Norden Contact Metric Manifold

... Abstract. The present paper deals with various curvature tensors of the type (0,4) in an almost para norden contact metric manifold. In this paper, after defining almost para norden contact metric manifold ...

7

An Introduction to Differential Geometry: The Theory of Surfaces

An Introduction to Differential Geometry: The Theory of Surfaces

... The study of manifolds combines many important areas of mathematics: it generalizes concepts such as curves with the ideas from linear algebra and topology. Certain special classes of manifolds also have additional ...

6

Slant lightlike submersions from an indefinite nearly Kahler manifold into a lightlike manifold

Slant lightlike submersions from an indefinite nearly Kahler manifold into a lightlike manifold

... The geometry of lightlike submanifolds has extensive uses in mathematical physics and in particular in the theory of general relativity [2]. It is also well known that semi-Riemannian submersions are of interest in ...

16

Type I Almost-Homogeneous Manifolds of Cohomogeneity One—IV

Type I Almost-Homogeneous Manifolds of Cohomogeneity One—IV

... compact complex almost homogeneous manifold of cohomogeneity one, there is a smooth geodesic con- necting them in the Mabuchi moduli space of K¨ ahler ...

10

On a class of paracontact Riemannian manifold

On a class of paracontact Riemannian manifold

... The notion of almost paracontact manifolds (respectively, almost paracontact Riemannian manifolds) as analogue of almost contact manifolds (respectively, almost contact Riemannian manifolds) was introduced by Sato in [7, ...

11

Robust PCA by Manifold Optimization

Robust PCA by Manifold Optimization

... Robust PCA is a widely used statistical procedure to recover an underlying low-rank matrix with grossly corrupted observations. This work considers the problem of robust PCA as a nonconvex optimization problem on the ...

39

FOUR-DIMENSIONAL ALMOST EINSTEIN MANIFOLDS WITH SKEW-CIRCULANT STRUCTURES

FOUR-DIMENSIONAL ALMOST EINSTEIN MANIFOLDS WITH SKEW-CIRCULANT STRUCTURES

... basis of type { S 3 x, S 2 x, Sx, x } exists in every tangent space of ( M, g, S ) . In Sect. 5, we find some curvature properties of the considered Einstein and almost Einstein manifolds. In Sect. 6, we obtain a ...

14

INVARIANT SUBMANIFOLD OF   STRUCTURE MANIFOLD

INVARIANT SUBMANIFOLD OF STRUCTURE MANIFOLD

... Prasad : Semi-invariant submanifolds of a Lorentzian Para- sasakian manifold, Bull Malaysian Math.. Careres : Linear invairant of Riemannian product manifold, Math Proc.[r] ...

8

GROUPOID ASSOCIATED TO A SMOOTH MANIFOLD

GROUPOID ASSOCIATED TO A SMOOTH MANIFOLD

... Let M be a smooth manifold and χ(M) be the Lie algebra of all vector fields on M . In this section, we introduce an equivalence relation on χ(M) associated to a vector field X. The idea comes from Remark 2.3. We ...

9

Manifold Learning: The Price of Normalization

Manifold Learning: The Price of Normalization

... Previous papers have addressed the central question posed earlier. Zhang and Zha (2004) pre- sented some bounds on the local-neighborhoods’ error-estimation for LTSA. However, their analysis says nothing about the global ...

31

Retractions of One Dimensional Manifold

Retractions of One Dimensional Manifold

... Our aim in the present article is to introduce and study types of retraction of one dimensional manifold. New types of geodesics in one dimensional manifold are presented. The deformation retracts of one ...

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