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Displaying 221 – 240 of 386

Conformal scalar curvature on the hyperbolic space.

Delay, Erwann (1997)

General Mathematics

Conformal structures associated to generic rank 2 distributions on 5-manifolds -- characterization and Killing-field decomposition.

Hammerl, Matthias, Sagerschnig, Katja (2009)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Conformal transformation, conformal change, and conformal covariants

Branson, Thomas P. (1989)

Proceedings of the Winter School "Geometry and Physics"

Conformally bending three-manifolds with boundary

Matthew Gursky, Jeffrey Streets, Micah Warren (2010)

Annales de l’institut Fourier

Given a three-dimensional manifold with boundary, the Cartan-Hadamard theorem implies that there are obstructions to filling the interior of the manifold with a complete metric of negative curvature. In this paper, we show that any three-dimensional manifold with boundary can be filled conformally with a complete metric satisfying a pinching condition: given any small constant, the ratio of the largest sectional curvature to (the absolute value of) the scalar curvature is less than this constant....

Conformally flat manifolds, Kleinian groups and scalar curvature.

S.-T. Yau, R. Schoen (1988)

Inventiones mathematicae

Conformally invariant variational integrals and the removability of isolated singularities.

Michael Grüter (1984)

Manuscripta mathematica

Conformally invariant wave equations in $3 + 2$ -de Sitter linear gravity

Gazeau, J. P., Hans, M. (1989)

Proceedings of the Winter School "Geometry and Physics"

Congruences of surfaces in $ℂ^{2}$

Mohamed Afwat (1976)

Časopis pro pěstování matematiky

Conic degeneration of the Dirac operator

R. Seeley (1990)

Colloquium Mathematicae

Conjoint spectral asymptotics for the families of commuting operators and for operators with the periodic hamiltonian flow

Victor Ivrii (1991/1992)

Séminaire Équations aux dérivées partielles (Polytechnique)

Conjugate-cut loci and injectivity domains on two-spheres of revolution

Bernard Bonnard, Jean-Baptiste Caillau, Gabriel Janin (2013)

ESAIM: Control, Optimisation and Calculus of Variations

In a recent article [B. Bonnard, J.-B. Caillau, R. Sinclair and M. Tanaka, Ann. Inst. Henri Poincaré, Anal. Non Linéaire 26 (2009) 1081–1098], we relate the computation of the conjugate and cut loci of a family of metrics on two-spheres of revolution whose polar form is g = dϕ2 + m(ϕ)dθ2 to the period mapping of the ϕ-variable. One purpose of this article is to use this relation to evaluate the cut and conjugate loci for a family of metrics arising as a deformation of the round sphere and to determine...

Conley index in Hilbert spaces and a problem of Angenent and van der Vorst

Marek Izydorek, Krzysztof P. Rybakowski (2002)

Fundamenta Mathematicae

In a recent paper [9] we presented a Galerkin-type Conley index theory for certain classes of infinite-dimensional ODEs without the uniqueness property of the Cauchy problem. In this paper we show how to apply this theory to strongly indefinite elliptic systems. More specifically, we study the elliptic system $- Δ u = \partial_{v} H (u, v, x)$ in Ω, $- Δ v = \partial_{u} H (u, v, x)$ in Ω, u = 0, v = 0 in ∂Ω, (A1) on a smooth bounded domain Ω in $ℝ^{N}$ for "-"-type Hamiltonians H of class C² satisfying subcritical growth assumptions on their first order derivatives....

Connecting topological Hopf singularities

Robert Hardt, Tristan Rivière (2003)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Smooth maps between riemannian manifolds are often not strongly dense in Sobolev classes of finite energy maps, and an energy drop in a limiting sequence of smooth maps often is accompanied by the production (or bubbling) of an associated rectifiable current. For finite 2-energy maps from the 3 ball to the 2 sphere, this phenomenon has been well-studied in works of Bethuel-Brezis-Coron and Giaquinta-Modica-Soucek where a finite mass 1 dimensional rectifiable current occurs whose boundary is the...

Connections and 1-jet fiber bundles

Pedro L. García (1972)

Rendiconti del Seminario Matematico della Università di Padova

Connections for non-holonomic 3-webs

Vanžurová, Alena (1997)

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

A non-holonomic 3-web is defined by two operators $P$ and $B$ such that $P$ is a projector, $B$ is involutory, and they are connected via the relation $P B + B P = B$ . The so-called parallelizing connection with respect to which the 3-web distributions are parallel is defined. Some simple properties of such connections are found.

Connections, local subgroupoids, and a holonomy Lie groupoid of a line bundle gerbe.

Brown, Ronald, Glazebrook, James F. (2003)

Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica

Connections of higher order and product preserving functors

Jacek Gancarzewicz, Noureddine Rahmani, Modesto R. Salgado (2002)

Czechoslovak Mathematical Journal

In this paper we consider a product preserving functor $ℱ$ of order $r$ and a connection $Γ$ of order $r$ on a manifold $M$ . We introduce horizontal lifts of tensor fields and linear connections from $M$ to $ℱ (M)$ with respect to $Γ$ . Our definitions and results generalize the particular cases of the tangent bundle and the tangent bundle of higher order.

Currently displaying 221 – 240 of 386