Flot géodésique et groupes hyperboliques d'après M. Gromov (Mémoire de D.E.A.)
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Displaying 2401 – 2420 of 8745
Flow prolongation of some tangent valued forms
Antonella Cabras, Ivan Kolář (2008)
Czechoslovak Mathematical Journal
We study the prolongation of semibasic projectable tangent valued -forms on fibered manifolds with respect to a bundle functor on local isomorphisms that is based on the flow prolongation of vector fields and uses an auxiliary linear -th order connection on the base manifold, where is the base order of . We find a general condition under which the Frölicher-Nijenhuis bracket is preserved. Special attention is paid to the curvature of connections. The first order jet functor and the tangent...
Flow under curvature: Singularity formation, minimal surfaces, and geodesics.
Chopp, David L., Sethian, James A. (1993)
Experimental Mathematics
Flow-symmetric Riemannian manifolds.
Boeckx, Eric, Bueken, Peter, Vanhecke, Lieven (1999)
Beiträge zur Algebra und Geometrie
Focal Sets, Taut Embeddings and the Cyclides of Dupin.
Thomas E. Cecil, Patrick J. Ryan (1978)
Mathematische Annalen
Foldable cubical complexes of nonpositive curvature.
Xie, Xiangdong (2004)
Algebraic & Geometric Topology
Foliate Partial Holomorphic Structures on Principal Bundles.
Izu Vaisman (1991)
Monatshefte für Mathematik
Foliated and associated geometric structures on foliated manifolds
Robert A. Wolak (1989)
Annales de la Faculté des sciences de Toulouse : Mathématiques
Foliated groupoids
Lisiecki, Krzysztof (1990)
Proceedings of the Winter School "Geometry and Physics"
[For the entire collection see Zbl 0699.00032.] The author defines a general notion of a foliated groupoid over a foliation with singularities, within the framework of a (known) general notion of a differentiable structure. Then, he generalizes the classical correspondence between the subalgebras of Lie algebras and the subgroups of the corresponding Lie groups for this type of pseudogroups.
Foliated G-structures and riemannian foliations.
Robert A. Wolak (1990)
Manuscripta mathematica
Foliated Plateau Problem, Part I: Minimal Varieties.
M. Gromov (1991)
Geometric and functional analysis
Foliated Problem, Part II: Harmonic Maps of Foliations.
M. Gromov (1991)
Geometric and functional analysis
Foliations admitting transverse systems of differential equations
Robert Wolak (1988)
Compositio Mathematica
Foliations and contact structures.
Dathe, Hamidou, Rukimbira, Philippe (2004)
Advances in Geometry
Foliations by hypersurfaces with constant mean curvature.
J. Barbosa, K. Kenmotsu, G. Oshikiri (1991)
Mathematische Zeitschrift
Foliations by minimal surfaces and contact structures on certain closed 3-manifolds.
Escobales, Richard H.jun. (2003)
International Journal of Mathematics and Mathematical Sciences
Foliations by surfaces of a peculiar class
Adam Bartoszek, Paweł Walczak (2008)
Annales Polonici Mathematici
We classify surfaces in 3-dimensional space forms which have all the local conformal invariants constant and show that compact 3-manifolds of nonzero constant sectional curvature admit no foliations by such surfaces.
Foliations making a constant angle with principal directions on ellipsoids
Ronaldo Garcia, Rémi Langevin, Paweł Walczak (2015)
Annales Polonici Mathematici
We study the global behavior of foliations of ellipsoids by curves making a constant angle with the lines of curvature.
Foliations of hyperbolic space by constant mean curvature surfaces sharing ideal boundary.
Chopp, David, Velling, John A. (2003)
Experimental Mathematics
Foliations of lightlike hypersurfaces and their physical interpretation
Krishan Duggal (2012)
Open Mathematics
This paper deals with a family of lightlike (null) hypersurfaces (H u) of a Lorentzian manifold M such that each null normal vector ℓ of H u is not entirely in H u, but, is defined in some open subset of M around H u. Although the family (H u) is not unique, we show, subject to some reasonable condition(s), that the involved induced objects are independent of the choice of (H u) once evaluated at u = constant. We use (n+1)-splitting Lorentzian manifold to obtain a normalization of ℓ and a well-defined...