On generalized curvature tensors on some Riemannian manifolds
W. Roter (1977)
Colloquium Mathematicae
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Displaying similar documents to “Dirac and Plateau billiards in domains with corners”
On generalized curvature tensors on some Riemannian manifolds
Rigidity in non-negative curvature
Luis Guijarro, Peter Petersen (1997)
Annales scientifiques de l'École Normale Supérieure
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On differential operators of second order on Riemannian manifolds with nonpositive curvature
Udo Simon (1974)
Colloquium Mathematicae
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pinching and compactness theorems for compact riemannian manifolds
Deane Yang (1987-1988)
Séminaire de théorie spectrale et géométrie
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Riemannian manifolds with almost constant scalar curvature.
Nicolescu, Liviu, Pripoae, Gabriel (1999)
Balkan Journal of Geometry and its Applications (BJGA)
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On Riemannian manifolds with ...-maximal diameter and bounded curvature.
Zhongmin Shen (1992)
Mathematische Zeitschrift
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Riemannian manifolds in which certain curvature operator has constant eigenvalues along each helix
Yana Alexieva, Stefan Ivanov (1999)
Archivum Mathematicum
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Riemannian manifolds for which a natural skew-symmetric curvature operator has constant eigenvalues on helices are studied. A local classification in dimension three is given. In the three dimensional case one gets all locally symmetric spaces and all Riemannian manifolds with the constant principal Ricci curvatures , which are not locally homogeneous, in general.
Torsional rigidity on compact Riemannian manifolds with lower Ricci curvature bounds
Najoua Gamara, Abdelhalim Hasnaoui, Akrem Makni (2015)
Open Mathematics
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In this article we prove a reverse Hölder inequality for the fundamental eigenfunction of the Dirichlet problem on domains of a compact Riemannian manifold with lower Ricci curvature bounds. We also prove an isoperimetric inequality for the torsional ridigity of such domains
Maps of manifolds with indefinite metrics preserving certain geometrical entities.
Kulkarni, R.S. (1978)
International Journal of Mathematics and Mathematical Sciences
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