Hypercomplex Structures on Quaternionic Manifolds -- Time Inversion in Physics -- Non Commutative Geometry of GLp-Bundles -- Totally Umbilical Degenerate Monge Hypersurfaces of R42 -- The Left Exactness of the Smooth Left Puppe Sequence -- A Linear Connection Associated with Any Second Order Differential Equation Field -- Geometry of Geodesic Tubes on Sasakian Manifolds -- Classification of Differential (n-l)-forms on an n-dimensional Manifold with Boundary -- Natural Relations between Connections in 2-fibred Manifolds -- Connections on Higher Order Frame Bundles -- The Differential Geometry of Cosserat Media -- The Parametric-Manifold Approach to Canonical Gravity -- Admissible Operations and Product Preserving Functors -- Curvature Properties of Para Kรคhler Manifolds -- Four Dimensional Osserman Lorentzian Manifolds -- The Eta Invariant and the Equivariant Spin Bordism of Spherical Space form 2 Groups -- On Locally Conformal Kรคhler Structures -- Torsion-Free Connections on Higher Order Frame Bundles -- The Trace Decomposition of Tensors of Type (1,2) and (1,3) -- Higher-Order Constrained Systems on Fibred Manifolds: An Exterior Differential Systems Approach -- The Method of Separation of Variables for Laplace-Beltrami Equation in Semi-Riemannian Geometry -- A Geometrical Approach to Classical Field Theories: A Constraint Algorithm for Singular Theories -- Noether Type Theorems in Higher Order Analytical Mechanics -- The Electromagnetic Field in the Higher Order Relativistic Geometrical Optics -- On a Riemannian Approach to the Order ? Relative Entropy -- A Differential Equation Related with Some General Connections -- On Quasi Connections on Fibred Manifolds -- Diffeomorphism Groups of a Manifold with Boundary -- Separability of Time-Dependent Second-Order Equations -- The Field Equations of Generalized Conformally Flat Spaces of Metric gยตv (x,?,?)=e2?(x, ?, ?)?ยตv -- Symmetries of Sprays and Admissible Lagrangians -- Curvature of Submanifolds in Points Finsler Spaces -- Special Vector Fields on a Compact Riemannian Manifold -- Magnetic Dynamical Systems -- Totally Geodesic Orbits in Homogeneous Spaces -- Parallel and Transnormal Curves on Surfaces