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Displaying 1261 – 1280 of 8747

Complétude et flots nul-géodésibles en géométrie lorentzienne

Pierre Mounoud (2004)

Bulletin de la Société Mathématique de France

On étudie la complétude géodésique des flots nul-prégéodésiques sur les variétés lorentziennes compactes, ce qui donne une obstruction à être nul-géodésique. On montre que lorsque l’orthogonal du champ de vecteurs engendrant le flot considéré s’intègre en un feuilletage $ℱ$ , la complétude du flot se lit sur l’holonomie de $ℱ$ . On montre ainsi qu’il n’existe pas de flots nul-géodésiques lisses sur $S^{3}$ . On montre aussi qu’un $2$ -tore lorentzien est nul-complet si et seulement si ses feuilletages de type lumière...

Complex affine transversal bundles for surfaces in $ℂ^{4}$ .

Witowicz, Paweł (2002)

Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica

Complex Analysis, Maximal Immersions and Metric Singularities.

Jens Chr. Larsen (1996)

Monatshefte für Mathematik

Complex analysis methods in the theory of infinitesimal bendings of surfaces with a flat point.

Usmanov, Z.D. (1997)

Memoirs on Differential Equations and Mathematical Physics

Complex Analytic Curves and Maximal Surfaces.

K. Abe, M.A. Magid (1989)

Monatshefte für Mathematik

Complex characteristic coordinates and tangential Cauchy-Riemann equations

Aldo Andreotti, C. Denson Hill (1972)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Complex cohomology automorphisms of compact homogeneous spaces of positive Euler characteristic

Papadima, Stefan (1987)

Proceedings of the Winter School "Geometry and Physics"

Complex conformal connection on the locally conformal Kähler manifolds

Mileva Prvanović (2003)

Kragujevac Journal of Mathematics

Complex Contact Structures and the First Eigenvalue of the Dirac Operator on Kähler Manifolds.

K.-D. Kirchberg, U. Semmelmann (1995)

Geometric and functional analysis

Complex geodesics and Finsler metrics

Marco Abate, Giorgio Patrizio (1995)

Banach Center Publications

Complex geodesics and isometries in Cartan domains of type four

Edoardo Vesentini (1995)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

Holomorphic maps of Cartan domains of type four preserving the supports of complex geodesics are characterized, providing, in particular, a new description of holomorphic isometries.

Complex geometry of generalized annuli.

de Fabritiis, Ch. (2003)

Advances in Geometry

Complex Ginzburg-Landau equations in high dimensions and codimension two area minimizing currents

Fanghua Lin, Tristan Rivière (1999)

Journal of the European Mathematical Society

There is an obvious topological obstruction for a finite energy unimodular harmonic extension of a $S^{1}$ -valued function defined on the boundary of a bounded regular domain of $R^{n}$ . When such extensions do not exist, we use the Ginzburg-Landau relaxation procedure. We prove that, up to a subsequence, a sequence of Ginzburg-Landau minimizers, as the coupling parameter tends to infinity, converges to a unimodular harmonic map away from a codimension-2 minimal current minimizing the area within the homology...

Complex hyperbolic ideal triangle groups.

W.M. Goldman, John R. Parker (1992)

Journal für die reine und angewandte Mathematik

Complex hyperbolic manifolds and exotic smooth structures.

L.E. Jones, F.T. Farrell (1994)

Inventiones mathematicae

Complex hypersurfaces of a generalized Hopf manifold.

Ianus, S., Matsumoto, K., Ornea, L. (1987)

Publications de l'Institut Mathématique. Nouvelle Série

Complex hypersurfaces of a generalized manifold

Stere Ianus, K. Matsomoto, L. Ornea (1987)

Publications de l'Institut Mathématique

Complex IP pseudo-Riemannian algebraic curvature tensors

Peter B. Gilkey, Raina Ivanova (2002)

Banach Center Publications

Complex Lagrange spaces.

Munteanu, Gheorghe (1998)

Balkan Journal of Geometry and its Applications (BJGA)

Complex methods in real integral geometry

Eastwood, Michael (1997)

Proceedings of the 16th Winter School "Geometry and Physics"

This is an exposition of a general machinery developed by M. G. Eastwood, T. N. Bailey, C. R. Graham which analyses some real integral transforms using complex methods. The machinery deals with double fibrations $M \subset Ω \overset{η}{\to} \leftarrow \tilde{Ω} @ > τ > > X$ $(Ω$ complex manifold; $M$ totally real, real-analytic submanifold;...

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