The nonabelian Liouville-Arnold integrability by quadratures problem: a symplectic approach
The Number of Periodic Orbits of a Rational Difference Equation
The numbers of periodic orbits of holomorphic mappings hidden at fixed points
The only syzygy-free solution is Lagrange's
The onset of chaotic motion in the restricted problem of three bodies
The packing spectrum for Birkhoff averages on a self-affine repeller
The Palais-Smale condition for contact type energy levels for convex lagrangian systems
The parameter capturemap for V_3
The Parametric Instability of Motion at Resonance as a Source of Chaotic Behaviour at the Restricted Three body Problem
The Pascal automorphism has a purely continuous spectrum
The Pentagram map: a discrete integrable system
The Period Function of Second Order Differential Equations
The periodic oscillation of an adiabatic piston in two or three dimensions
The periodic points of renormalization
The Periodic Response of Periodically Perturbated Stochastic Systems
The Poincaré Problem, algebraic integrability and dicritical divisors
The Poisson boundary of a locally discrete group of diffeomorphisms of the circle
The Poisson formula for groups with hyperbolic properties
The polynomial multidimensional Szemerédi Theorem along shifted primes
The Pressure Function for Products of Non-negative Matrices