Results 61 to 69 of about 1,018 (69)

Plateau-Stein manifolds

Open Mathematics, 2014
Gromov Misha
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Dirac and Plateau billiards in domains with corners

Open Mathematics, 2014
Gromov Misha
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Equiform spacelike Smarandache curves of anti-eqiform Salkowski curve according to equiform frame

, 2021
In this paper, we construct the equiform spacelike Smarandache curves of spacelike anti-equiform Salkowski curves with timelike binormal according to equiform frame in R3 1. Furthermore, we calculate the equiform Frenet apparatus of these curves. Finally,
E. Solouma
semanticscholar   +1 more source

Some Characterizations of Generalized Null Mannheim Curves in Semi-Euclidean Space

, 2020
Communicated by Ivaïlo M. Mladenov Abstract. In the present paper, we investigate Cartan framed generalized null Mannheim curves in the four-dimensional semi-Euclidean space of index two. We construct the Cartan (or Frenet) frames and curvature functions
Nihal Kiliç Aslan, K. Ilarslan
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On Ricci Curvature of Certain Submanifolds in a Cosymplectic Space Form

Sarajevo Journal of Mathematics
In this paper, we obtain some sharp inequalities between the Ricci curvature and the squared mean curvature for slant, bi-slant and semi-slant submanifolds in cosymplectic space forms.
Ximin Liu, Jian-ping Zhou
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Screen Transversal Lightlike Submanifolds of Indefinite Kenmotsu Manifolds

Sarajevo Journal of Mathematics
In this paper, we introduce screen transversal lightlike submanifolds of indefinite Kenmotsu manifolds. We obtain a characterization of screen transversal anti-invariant lightlike submanifolds as well as a condition for induced connection to be a metric ...
Ram Shankar Gupta, A. Sharfuddin
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Warped Product Lightlike Submanifolds

Sarajevo Journal of Mathematics
e study a new class of lightlike submanifolds $M$, called warped product lightlike submanifolds, of a semi-Riemann manifold. We show that the null geometry of $M$ reduces to the corresponding non-degenerate geometry of its semi-Riemann submanifold ...
Bayram Şahin
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B.-Y. Chen Inequalities for Slant Submanifolds in Kenmotsu Space Forms II

Sarajevo Journal of Mathematics
In this article, we investigate sharp inequalities involving Chen invariants for a slant submanifold $M$ of a Kenmotsu space form $\widetilde{M}(c)$, tangent to the structure vector field of the ambient space.   2000 Mathematics Subject Classification.
Simona Costache
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Semi-slant Submanifolds of Trans-Sasakian Manifolds

Sarajevo Journal of Mathematics
The purpose of the present paper is to study semi-slant submanifolds of a trans-Sasakian manifold.   2000 Mathematics Subject Classification.
V. A. Khan, M. Khan
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