نتایج جستجو برای: partial isometry

تعداد نتایج: 232771  

Journal: :Bulletin of the London Mathematical Society 2013

Journal: :GAFA Geometric And Functional Analysis 2006

Journal: :Pacific Journal of Mathematics 2016

Journal: :Linear Algebra and its Applications 2021

Let X and Y be real normed spaces f : ? a surjective mapping. Then satisfies { ? ( x ) + y , ? } = ? if only is phase equivalent to linear isometry, that is, ? U where isometry 1 . This Wigner's type result for spaces.

2010
Jesús A. Álvarez López Alberto Candel

A leaf of a compact foliated space has a well defined quasi-isometry type and it is a natural question to ask which quasi-isometry types of (intrinsic) metric spaces can appear as leaves of foliated spaces. There are two more or less related concepts of quasi-isometry. The first one is that used in Riemannian geometry, namely, two (Lipschitz) manifolds are quasi-isometric if there is a Lipschit...

Journal: :Bulletin of the Belgian Mathematical Society - Simon Stevin 2008

Journal: :Annals of Pure and Applied Logic 2012

Journal: :Pacific Journal of Mathematics 2021

\begin{abstract} Let $M$ be a complete Riemannian manifold and $G$ Lie subgroup of the isometry group acting freely properly on $M.$ We study Dirichlet Problem% \[ \left\{ \begin{array} [c]{l}% \operatorname{div}\left( \frac{a\left( \left\Vert \nabla u\right\Vert \right) }{\left\Vert }\nabla u\right) =0\text{ in }\Omega u|\partial\Omega=\varphi \end{array} \right. \] where $\Omega$ is $G-$invar...

2005
Gabriele Link

For real hyperbolic spaces, the dynamics of individual isometries and the geometry of the limit set of nonelementary discrete isometry groups have been studied in great detail. Most of the results were generalised to discrete isometry groups of simply connected Riemannian manifolds of pinched negative curvature. For symmetric spaces of higher rank, which contain isometrically embedded Euclidean...

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