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