QR-hypersurfaces of quaternionic Kähler manifolds.
Quadric hypersurfaces of finite type
Quantized charge in terms of pure geometry
Quantum stochastic dynamics. I.
Quasi-Einstein hypersurfaces in semi-Riemannian space forms
We investigate curvature properties of hypersurfaces of a semi-Riemannian space form satisfying R·C = LQ(S,C), which is a curvature condition of pseudosymmetry type. We prove that under some additional assumptions the ambient space of such hypersurfaces must be semi-Euclidean and that they are quasi-Einstein Ricci-semisymmetric manifolds.
Quasiharmonic -functions on riemannian manifolds
Quasi-minimal rotational surfaces in pseudo-Euclidean four-dimensional space
In the four-dimensional pseudo-Euclidean space with neutral metric there are three types of rotational surfaces with two-dimensional axis - rotational surfaces of elliptic, hyperbolic or parabolic type. A surface whose mean curvature vector field is lightlike is said to be quasi-minimal. In this paper we classify all rotational quasi-minimal surfaces of elliptic, hyperbolic and parabolic type, respectively.
Quaternionic Reduction and Quaternionic Orbifolds.
Quaternionic-Kähler manifolds and conforrmal geometry.