On the Dynamic Behavior of the Novelty Detector and the Novelty Filter -- Newton Diagrams and Tangent Cones to Attainable Sets -- Transitivity and Forward Accessibility of Discrete-Time Nonlinear Systems -- The Behavior of Super-Articulated Mechanisms Subject to Periodic Forcing -- On the Topological Structure of Inner Functions and its use in Identification of Linear Systems -- Groups and Signals -- Geometric Time Optimal Control in Batch Reactors -- Discrete Wavelets and Fast Wavelet Transform -- Nilpotent Approximations and Optimal Trajectories -- Feedback Equivalence to Passive Nonlinear Systems -- On the Agonistic-Antagonistic Equilibration and its Control -- Application of Symmetry Semi-Groups to Discrete and Continuous Time Filtering Problems -- A Non-Holonomic Dynamic Interpolation Problem -- Quadratic Symmetries for the Woodward Ambiguity Function -- The Structure of Nonlinear Systems Revisited -- Finite Morphisms of Differential Algebraic Varieties and Elimination Theory -- Formules d'inversion -- A Fundamental Result on the Invertibility of Discrete Time Dynamics -- Nonlinear Regulators and Ritt's Remainder Algorithm -- Topological Properties of Observer's Inputs -- Dynamic Disturbance Decoupling for Nonlinear Systems: The Nonsquare and Noninvertible Case -- Input/Output Behaviour of Nonlinear Analytic Systems: Rational Approximations, Nilpotent Structural Approximations -- Feedback Classification of Analytic Control Systems in the Plane -- Optimal Control Problems on Lie Groups -- Families of Dilations and Asymptotic Stability -- Degree Two Normal Forms of Control Systems and the Generalized Legendre Clebsch Condition -- Combinatorial Approximations of Volterra Series by Bilinear Systems -- Local Identification of Nonlinear Systems, Bifurcations and Normal Forms -- Complex Non Integer Derivation in Robust Control Through the Crone Control -- Global Aspects of Feedback Equivalence for a Parametrized Family of Systems -- Disturbance Decoupling via Dynamic Feedback -- Nonlinear Control Systems: Topological Properties of Trajectory Space -- On Maximum Principles -- The Leading Term of a Control Variation -- Duality for Linear Systems: External and State Space Characterization of the Adjoint System.