On the Theory of Almost Grassmann Structures.- Homogeneous Spaces: From the Classical to the Quantum Case.- Harmonic Spinors Topology.- Harmonic Maps between Almost Para-Hermitian Manifolds.- Frölicher Spectral Sequence of Compact Nilmanifolds with Nilpotent Complex Structure.- Equivariant Isometric Immersions.- Coeffective Cohomology of Quaternionic Kähler Manifolds.- Notes on Harmonic Tensor Fields.- Harmonic Maps and f-structures with Parallelizable Kernels.- On the Betti Numbers of a Generalized Hopf Manifold.- On Isocurved Deformations of a Homogeneous Riemannian Space.- Fibre Integral in Regular Lie Algebroids.- On Semi-Riemannian Submersions.- Metric Covering Spaces and Applications.- Time-Dependent Mechanical Systems with Non-Linear Constraints.- On Uniqueness of Constant Mean Curvature Surfaces with Planar Boundary.- Isometric Semiparallel Immersions of Two-Dimensional Riemannian Manifolds into Pseudo-Euclidean Spaces.- On Characterization of Lipschitz Manifolds.- On Projective Transformations of Riemannian Spaces with Harmonic Curvature.- On the Equation Defining Isothermic Surface in Laguerre Geometry.- Induced Hopf Bundles and Einstein Metrics.- Connections on A-bundles.- Induced Semi-Sprays and Connections on Submanifolds.- Generalized Algebroids.- Quantum and Integral Bordism Groups in the Navier-Stokes Equation.- Optimal Control Problems on Matrix Lie Groups.- Submanifolds with Restrictions on Q-Ricci Curvature.- Weyl’s Volume of the Tube Formula without Invariant Theory.- Two Applications of a Method of Transplantation in Riemannian Geometry.- Cetroaffine Differential Geometry of (Positive) Definite Oriented Surfaces in R4.- Dynamics Induced by a Magnetic Field.- Convex Programs on Finsler Manifolds.- Connections on Principal Sheaves.- On Orbits ofSymmetric Subgroups in Riemannian Symmetric Spaces.- On Leaves of Transverally Affine Foliations.- Equivalence Problem via Nash-Moser Theorem.