Curvature measure is one of the basic notion in the theory of convex bodies. Together with surface area measures, they play fundamental roles in the study of convex bodies. They are closely related to the differential geometry and integral geometry of convex hypersurfaces. Let Ω is a bounded convex body in R with C2 boundary M , the corresponding curvature measures and surface area measures of ...

For all non-symmetric discrete relativistic Toda type equations we establish a relation to 3D consistent systems of quad-equations. Unlike the more simple and better understood symmetric case, here the three coordinate planes of Z carry different equations. Our construction allows for an algorithmic derivation of the zero curvature representations and yields analogous results also for the conti...

Using a recently developed perturbation formalism based on curvature quantities, we investigate the linear stability of black holes and solitons with Yang-Mills hair and a negative cosmological constant. We show that those solutions which have no linear instabilities under oddand even-parity spherically symmetric perturbations remain stable under oddparity, linear, non-spherically symmetric per...

We study the forms of curvatures of lightlike hypersurfaces M of an indefinite Kenmotsu manifold M̄ subject to the conditions: (1) M is locally symmetric, i.e., the curvature tensor R of M be parallel on TM , or (2) M is a semi-symmetric manifold, i.e., R(X, Y )R = 0 on TM . M.S.C. 2010: 53C25, 53C40, 53C50.

We study the structure group of a canonical algebraic curvature tensor built from a symmetric bilinear form, and show that in most cases it coincides with the isometry group of the symmetric form from which it is built. Our main result is that the structure group of the direct sum of such canonical algebraic curvature tensors on a decomposable model space must permute the subspaces Vi on which ...

In this paper we study relations for the covariant derivative of O?Neill?s tensor fields, Riemannian curvature, Ricci curvature and scalar submersion from a manifold with respect to new type semi-symmetric non-metric connection manifold, respectively, demonstrate relationship between them.

The objective of this paper is to explore the complete lifts a quarter-symmetric metric connection from Sasakian manifold its tangent bundle. A relationship between Riemannian and bundle was established. Some theorems on curvature tensor projective with respect were proved. Finally, locally ?-symmetric manifolds studied.

The purpose of this study is to evaluate the curvature tensor and Ricci a P-Sasakian manifold with respect quarter-symmetric metric connection on tangent bundle TM. Certain results semisymmetric manifold, generalized recurrent manifolds, pseudo-symmetric manifolds TM are proved.

We generalize the Quantum Geometric Tensor by replacing a Hamiltonian with modular Hamiltonian. The symmetric part of provides Fubini-Study metric, and its anti-symmetric sector gives Berry curvature. Our generalization dubbed Modular metric curvature Kinematic Space. also use result identity Virasoro block to relate connected correlator two Wilson lines two-point function This relation realize...

Consider a compact Riemannian manifold (M, g) with metric g and dimension n ≥ 3. The Schouten tensor Ag associated with g is a symmetric (0, 2)-tensor field describing the non-conformally-invariant part of the curvature tensor of g. In this paper, we consider the elementary symmetric functions {σk(Ag), 1 ≤ k ≤ n} of the eigenvalues of Ag with respect to g; we call σk(Ag) the k-th Schouten curva...