Rotations and Hermitian symmetric spaces |
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Authors: | Lorenzo Nicolodi Lieven Vanhecke |
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Institution: | (1) International School for Advanced Studies, Strada Costiera 11, I-34014 Trieste, Italy;(2) Department of Mathematics, Katholieke Universiteit Leuven, Celestijnenlaan 200B, B-3030 Leuven, Belgium |
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Abstract: | On an almost Hermitian manifold (M, g, J) one considers the naturally defined field of local diffeomorphismsj
m
=exp
m
J
m
exp
m
–1
,m M, and in particular, one studies isometric, harmonic, holomorphic and symplecticj
m
. This leads to some characterizations of special classes of almost Hermitian manifolds, including the class of Hermitian symmetric spaces. In addition, one treats some intrinsic and extrinsic geometrical properties of geodesic spheres relating to these local diffeomorphisms.Supported by grant 203.01.50 of the C.N.R., Italy. |
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Keywords: | |
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