Harmonic morphisms between semi-Riemannian manifolds.
Fuglede, Bent (1996)
Annales Academiae Scientiarum Fennicae. Series A I. Mathematica
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Fuglede, Bent (1996)
Annales Academiae Scientiarum Fennicae. Series A I. Mathematica
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Kwang-Soon Park, Bayram Şahin (2014)
Czechoslovak Mathematical Journal
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We introduce semi-slant Riemannian maps from Riemannian manifolds to almost Hermitian manifolds as a generalization of semi-slant immersions, invariant Riemannian maps, anti-invariant Riemannian maps and slant Riemannian maps. We obtain characterizations, investigate the harmonicity of such maps and find necessary and sufficient conditions for semi-slant Riemannian maps to be totally geodesic. Then we relate the notion of semi-slant Riemannian maps to the notion of pseudo-horizontally...
Miguel Sánchez (1994-1995)
Séminaire de théorie spectrale et géométrie
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Lung Ock Chung, Leo Sario, Cecilia Wang (1975)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Stere Ianuş, Gabriel Eduard Vîlcu, Rodica Cristina Voicu (2011)
Banach Center Publications
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It is well known that Riemannian submersions are of interest in physics, owing to their applications in the Yang-Mills theory, Kaluza-Klein theory, supergravity and superstring theories. In this paper we give a survey of harmonic maps and Riemannian submersions between manifolds equipped with certain geometrical structures such as almost Hermitian structures, contact structures, f-structures and quaternionic structures. We also present some new results concerning holomorphic maps and...
Lung Ock Chung, Leo Sario, Cecilia Wang (1973)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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J. Krawczyk (1988)
Colloquium Mathematicae
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Obăndeanu, V., Vernic, C. (1997)
Balkan Journal of Geometry and its Applications (BJGA)
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Demir N. Kupeli (1988)
Mathematische Zeitschrift
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Yuri E. Gliklikh, Andrei V. Obukhovski (2004)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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We investigate velocity hodograph inclusions for the case of right-hand sides satisfying upper Carathéodory conditions. As an application we obtain an existence theorem for a boundary value problem for second-order differential inclusions on complete Riemannian manifolds with Carathéodory right-hand sides.