Keywords: primary; 53C50; secondary; 57R40; Rigidity; Isometric immersion; Light cone;
مقالات ISI (ترجمه نشده)
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Keywords: Harmonic maps with potential; Biharmonic maps with potential; Complete manifold; H-energy; 58E20; 53C20; 53C50;
Keywords: 35C06; 53C44; 53C50; 30F45; Yamabe solitons; Lorentzian metrics; Conformal metrics;
Keywords: 35Lxx; 35Qxx; 53A30; 53C50; 53C80; Maxwell-Dirac equation; Initial value problem; Cauchy problem; Conformal compactification; Symmetric hyperbolic systems;
Keywords: 53C50; 53B30; 53B99; Symmetries; Neutral signature; Killing vectors; Isotropy;
Keywords: 53C50; 53D15; 53B25; Homogeneous Lorentzian manifolds; Semi-symmetric Lorentzian manifolds;
Keywords: 53C10; 53C30; 53C50; Homogeneous geodesics; G.o. spaces; G.o. manifolds; Naturally reductive spaces;
Keywords: 83C10; 83C50; 83C75; 53C50; Lorentz force equation; Kaluza-Klein theory; Stationary spacetimes; Completeness of inextensible trajectories;
Keywords: 58E20; 53C50; 35B44; Harmonic maps; Lorentzian energy identity; Blow-up; Standard stationary Lorentzian manifolds;
Keywords: 53B40; 53C50; 53C60; 53C80; Lorentz-Finsler manifold; Time orientability; Volume form;
Keywords: 53C21; 53C50; 53C25; Semi-Riemannian metric; Einstein manifold; Warped product;
Keywords: 53C50; 53B30; 53B99; Weyl conformal tensor; Neutral signature; Classification; Bel criteria;
Keywords: primary; 53C30; secondary; 17B30; 53C50; 22E25; 57S20;
Keywords: 53C07; 53C20; 53C43; 53C50; 58E20; 58E30; Harmonic section; Pseudo-Riemannian vector bundle; Generalised Cheeger-Gromoll metric; Killing field; Conformal gradient field; Anti-isometry;
Keywords: 53B25; 53C40; 53C56; 53C50; Wick-related spaces; Complex and holomorphic Riemannian geometry; Anti-Kähler geometry; Minimal submanifolds; Parallel submanifolds;
Keywords: 53C50; 53C29Lorentz manifolds; Globally hyperbolic space; Holonomy; CkCk-fine topology
Keywords: 53C50; 53A30Conformal Lorentzian geometry; Timelike curves; Closed timelike curves; Conformal invariants; Einstein universe; Conformal Lorentzian compactification; Conformal strain functional
Keywords: 53C50; 53C21Lorentzian geometry; Fundamental group; Myers theorem; Comparison theorem; Global hyperbolicity
Keywords: 58J05; 53C42; 53C50; Maximal surface equation; Finite total curvature; Lorentzian geometry;
Keywords: 35J93; 53C42; 53C50; Spacelike hypersurface; Constant mean curvature; Dirichlet problem; Convex curve; Strictly convex surface;
Keywords: 53C50; 53B30; Affine Killing vector field; Ricci collineation; Killing vector field;
Keywords: 53C30; 53C50; Lorentz geometry; Isometry groups; Twisted Heisenberg group; Homogeneous Lorentz spaces; Ricci curvature;
Keywords: Noncommutative topology and geometry; Techniques of noncommutative geometry and quantum groups; Lorentzian geometry58B34; 53C50; 54F05Noncommutative geometry; Causal structures; Lorentzian spectral triples
Keywords: 53C50; 53C22; 22F30; 57S25Lorentz manifolds; Closed geodesics; Isometric actions; Compact homogeneous manifolds; Solvable Lie groups
Keywords: 53C50;
Keywords: primary; 53C42; secondary; 53B30; 53C50;
Keywords: 53C50; 53B30Harmonic and biharmonic map; Tangent and cotangent bundles; Complete lift metric; Riemannian extension
Keywords: 53C42; 53C50; 83C99; 53C80; Stable maximal hypersurface; k-stability; Spacetime of constant sectional curvature; Generalized Robertson-Walker spacetime;
Characterizations of complete CMC spacelike hypersurfaces satisfying an Okumura type inequality
Keywords: 53C42; 53C50; Lorentzian space forms; Constant mean curvature; Okumura type inequality; Hyperbolic cylinders;
On the geometry of para-hypercomplex 4-dimensional Lie groups
Keywords: 53C30; 53C50; Para-hypercomplex Lie groups; Generalized Ricci solitons; Homogeneous structures; Totally geodesic hypersurfaces;
Complex Lipschitz structures and bundles of complex Clifford modules
Keywords: primary; 53C27; secondary; 53C50; Spin geometry; Clifford bundles; Lipschitz structures;
Global bifurcation of solutions of the mean curvature spacelike equation in certain Friedmann-Lemaître-Robertson-Walker spacetimes
Keywords: 35B32; 53A10; 35B40; 53B30; 53C50; Bifurcation; Mean curvature spacelike equation; Positive solution; Friedmann-Lemaître-Robertson-Walker spacetime;
Constant scalar curvature hypersurfaces in (3+1)-dimensional GHMC Minkowski spacetimes
Keywords: 53C21; 53C50; 53C42; 52A20; 35J60; Minkowski spacetimes; GHMC; Scalar curvature;
Special equiform Smarandache curves in Minkowski space-time
Keywords: Smarandache curve; Equiform Frenet frame; Minkowski space-time; 53B30; 53C40; 53C50;
Computation of Smarandache curves according to Darboux frame in Minkowski 3-space
Keywords: Smarandache curves; Timelike curves; Timelike surfaces; Darboux frame; Minkowski 3-space; 53A04; 53A35; 53C50;
On entire f-maximal graphs in the Lorentzian product GnÃR1
Keywords: primary; 53C42; secondary; 53C50; 53C25; Lorentzian product; Calabi-Bernstein's Theorem; Gauss space; f-maximal graphs;
The number of catenoids connecting two coaxial circles in Lorentz-Minkowski space
Keywords: 53C42; 53B30; 53C50; Lorentz-Minkowski space; Catenoid; Spacelike surface; Timelike surface;
On the equivalence of two curvature conditions for Lorentzian hypersurfaces
Keywords: Lorentzian hypersurfaces in space forms; Semi-symmetry and Ricci-semisymmetry conditions; primary; 53C50; 53C42; secondary; 53A25; 53C40;
Characterizations of linear Weingarten submanifolds
Keywords: primary; 53C42; secondary; 53A10; 53C20; 53C50; Riemannian space forms; Complete linear Weingarten submanifolds; Parallel normalized mean curvature vector field;
Algebraic Ricci solitons of three-dimensional Lorentzian Lie groups
Keywords: 53C50; 53C21; 53C25; Lorentzian Lie groups; Left-invariant metrics; Algebraic Ricci solitons;
Ricci solitons on low-dimensional generalized symmetric spaces
Keywords: 53C50; 53B30; 35A01; Generalized symmetric spaces; Ricci solitons; Algebraic Ricci solitons;
Corrigendum to “Novikov algebras carrying an invariant Lorentzian symmetric bilinear form” [J. Geom. Phys. 82 (2014) 132-144]
Keywords: 17A30; 17B05; 53C50; Invariant Lorentzian forms; Novikov algebras; Extensions of left-symmetric algebras;
On invariant submanifolds of (LCS)n-manifolds
Keywords: (LCS)n-manifold; Invariant submanifold; Semiparallel submanifold; 2-semiparallel submanifold; Totally geodesic; 53C15; 53C40; 53C50;
On the scalar curvature of spacelike hypersurfaces in generalized Robertson Walker spacetimes
Keywords: 53C50; 53Z05; 83F05Spacelike hypersurface; Scalar curvature; Generalized Robertson Walker spacetime; Totally umbilical hypersurface; Einstein de Sitter spacetime; Steady state spacetime
Oscillator spacetimes are Ricci solitons
Keywords: 53C50; 53B30; 35A01Oscillator group; Ricci solitons; Yamabe solitons
Spacelike submanifolds of de-Sitter space and application of index form
Keywords: Spacelike submanifold; de-Sitter space; Index form; Jacobi equation53C40; 53C42; 53C50
The geometry of 4-dimensional, Ricci-flat manifolds which admit a metric
Keywords: 53C05; 53C29; 53C50; Holonomy; 4-dimensional manifolds; Ricci-flat manifolds; Neutral signature metrics; Weyl conformal and projective tensors;
Recurrence structures in 4-dimensional manifolds with metric of signature (+,+,−,−)(+,+,−,−)
Keywords: 53C29; 53C50; 53B30Recurrence; Neutral signature; Holonomy
Totally umbilic null hypersurfaces in generalized Robertson–Walker spaces
Keywords: 53C50; 53C80; 53B30Null hypersurface; Totally umbilic hypersurfaces; Twisted products; Generalized Robertson–Walker space; Static space
Marginally outer trapped surfaces in de Sitter space by low-dimensional geometries
Keywords: 53C50; 53C42; 53A10Marginally outer trapped surface; Conformal Gauss map; Isothermic surface; Constant mean curvature surface; Elastic curve