SANDA A. Tidjani [1], EZIN C. Eugène [2], GOUTON Pierre [3], TOSSA JOEL [4],
Article, Ajoutée le 31/12/2016 18:08
ATINDOGBE COMLAN CYRIAQUE [1], TOSSA JOEL [3], EZIN JEAN-PIERRE [2],
Let (M, g) be a smooth manifold M endowed with a metric g. A large class of differential operators in differential geometry is intrinsically defined [...]
Article, Ajoutée le 22/02/2018 12:42
ATINDOGBE COMLAN CYRIAQUE [1], EZIN JEAN-PIERRE [2], TOSSA JOEL [3],
We study and characterize a class of lightlike hypersurfaces in Lorentzian manifolds of constant curvature, that satisfy Einstein equation. Integrabi [...]
Article, Ajoutée le 22/02/2018 13:10
ATINDOGBE COMLAN CYRIAQUE [1], EZIN JEAN-PIERRE [2], TOSSA JOEL [3],
This paper deals with results concerning the relative nullity foliation of the screen distribution of a lightlike Einstein hypersurface [...]
Article, Ajoutée le 22/02/2018 13:17
ATINDOGBE COMLAN CYRIAQUE [1], BERARD BERGERY Lionel [2], TOSSA JOEL [3],
This paper introduces Gray-tensors on lightlike hypersurfaces M n+1 of signature (0, n), (n ≥ 1) and investigates on their basic properties in connec [...]
Article, Ajoutée le 22/02/2018 13:30
ATINDOGBE COMLAN CYRIAQUE [1], LUNGIAMBUDILA Oscar [2], TOSSA JOEL [3],
In this paper, the pseudo-inversion of degenerate metric is considered. We extend Szabó operators associated to algebraic covariant derivative curvat [...]
Article, Ajoutée le 22/02/2018 13:50
ATINDOGBE COMLAN CYRIAQUE [1], LUNGIAMBUDILA Oscar [2], TOSSA JOEL [0],
In this paper, we study Jacobi operators associated to algebraic curvature maps (tensors) on lightlike submanifolds M. We investigate conditions for [...]
Article, Ajoutée le 22/02/2018 13:56
ATINDOGBE COMLAN CYRIAQUE [1], LUNGIAMBUDILA Oscar [2], TOSSA JOEL [3],
In this paper, the induced Ricci tensor and the extrinsic scalar curvature on lightlike submanifolds are obtained. This scalar quantity extend the re [...]
Article, Ajoutée le 22/02/2018 14:14
ATINDOGBE COMLAN CYRIAQUE [1], OGOUYANDJOU KOLADÉ SIMPLICE EPHREM CARLOS [2], TOSSA JOEL [3],
Abstract. Let (M, F ) be a compact Finsler manifold of hyperbolic type, M̃ F be its universal Finslerian covering and α F the critical exponent of th [...]
Article, Ajoutée le 22/02/2018 14:25
ATINDOGBE COMLAN CYRIAQUE [2], Harouna Mahamane Mahi [1], TOSSA JOEL [0],
In this paper, we study lightlike hypersurfaces with parallel screen shape operator. The main result is a characterization theorem for lightlike with [...]
Article, Ajoutée le 22/02/2018 15:20