supported by National Natural Science Foundation of China (Grant No. 10801006);supported by National Natural Science Foundation of China (Grant No. 10871218)
Let x : M →R^n be an umbilical free hypersurface with non-zero principal curvatures. Then x is associated with a Laguerre metric g, a Laguerre tensor L, a Laguerre form C, and a Laguerre second fundamental form B wh...
Sponsored by the National Natural Science Foundation of China(10871218)
For a Riemannian manifold(Mn,g) with curvature tensor R,the Jacobi operator J(X) is give.In this paper,the flat Riemannian manifolds are characterized in terms of special commutation properties of their Jacobi ope...
Sponsored by the National Natural Science Foundation of China(10871218,10932002)
In view of information geometry,the state space S of thermodynamic parameters is investigated.First a Riemannian metric for S is defined and then the α-geometric structures of S is given.Some of results obtained by o...
Sponsored by the National Natural Science Foundation of China (10871218)
A new Riemannian metric for positive definite matrices is defined and its geometric structures are investigated by means of dual connections introduced to statistical analysis by S. Amari. A few interesting results ar...
supported by the National Natural Science Foundation of China (Grant No 10871218)
In view of differential geometry, the state space of thermodynamic parameters is investigated. Here the geometrical structures of the denormalized thermodynamic manifold are considered. The relation of their geometric...