Results 11 to 20 of about 122,406 (140)

Minimal homogeneous submanifolds in euclidean spaces [PDF]

open access: yes, 2002
We prove that minimal (extrinsically) homogeneous submanifolds of the Euclidean space are totally geodesic. As an application, we obtain that a complex (intrisecally) homogeneous submanifold of a complex Euclidean space must be totally ...
Di Scala, Antonio Jose'
core   +1 more source

On submanifolds whose shape operator is unipotent [PDF]

open access: yes, 2006
The object of this article is to characterize submanifolds of the Euclidean space whose shape operator is ...
Di Scala, Antonio Jose'
core   +1 more source

Submanifolds with curvature normals of constant length and the Gauss map [PDF]

open access: yes, 2004
We show that a submanifold with curvature normal of constant length has constant principal curvatures under suitable global hypothesis.
A. J. Di Scala   +3 more
core   +1 more source

Low codimensional submanifolds of Euclidean space with nonnegative isotropic curvature [PDF]

open access: yes, 2015
This paper we study compact submanifolds of Euclidean space with nonnegative isotropic curvature and low codimension. We determine their homology completely in the case of hypersurfaces and for some low codimensional conformally flat immersions ...
Noronha, MH, Mercuri, F
core   +1 more source

A Berger type normal holonomy theorem for complex submanifolds [PDF]

open access: yes, 2010
We prove a kind of Berger-Simons' Theorem for the normal holonomy group of a complex submanifold of the projective ...
Antonio J. Di Scala   +5 more
core   +1 more source

Reducibility of complex submanifolds of the complex euclidean spaces [PDF]

open access: yes, 2000
Let M be a simply connected complex submanifold of CN. We prove that M is irreducible, up a totally geodesic factor,if and only if the normal holonomy group acts irreducibly.
Di Scala, Antonio Jose'
core   +1 more source

Semiclassical States Associated with Isotropic Submanifolds of Phase Space [PDF]

open access: yes, 2017
We define classes of quantum states associated with isotropic submanifolds of cotangent bundles. The classes are stable under the action of semiclassical pseudo-differential operators and covariant under the action of semiclassical Fourier integral ...
Uribe, A., Wang, Z., Guillemin, Victor W
core   +1 more source

Weak helix submanifolds of euclidean spaces [PDF]

open access: yes, 2009
It is shown that there exist nonstrong weak 2-helix surfaces of ...
Di Scala, Antonio Jose'
core   +1 more source

Totally real submanifolds of the nearly kaehler 6-sphere [PDF]

open access: yes, 1997
Totally real 3-dimensiunal submanifolds of the nearly Kaehler 6-sphere are the main topic of this thesis. Having introduced preliminaries on the theory of complex and almost complex manifolds, the nearly Kaehler structure of S(^6) and the non existence ...
Travlopanos, Fotios
core  

On large bending deformations of transversely isotropic rectangular elastic blocks [PDF]

open access: yes, 2007
In this paper we examine the classical problem of finite bending of a rectangular block of elastic material into a sector of a circular cylindrical tube in respect of compressible transversely isotropic elastic materials.
Kassianidis , Fotios   +3 more
core   +1 more source

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