Periodic orbits, symbolic dynamics and topological entropy for the restricted 3-body problem

Periodic Perturbations of Non-Conservative Second Order Differential Equations

Periodic Point Data Detects Subdynamics in Entropy Rank One

Periodic points for good reduction maps on curves

Periodic points of Hamiltonian surface diffeomorphisms

Periodic shadowing and $Ω$-stability

Periodic solutions and their stability for the problem of gyrostat

Periodic solutions for completely resonant nonlinear wave equations

Periodic solutions in Gravitational Problems and the Structure of Solution Space

Periodic Solutions in Hamiltonian Systems, Averaging, and the Lunar Problem

Periodic Solutions of a Forced Relativistic Pendulum via Twist Dynamics

Periodic solutions of o.d.e. systems with a lipchitz non linearity

Periodic solutions of planetary systems with satellites and the averaging method in systems with slow and fast variables

Periodic Solutions with Alternating Singularities in the Collinear Four-body Problem

Periodic Solutions with Singularities in Two Dimensions in the $n$-body Problem

Periodic trajectories in the regular pentagon

Periodic trajectories in the regular pentagon, II

Periodic unique beta-expansions: the Sharkovskii ordering

Periodical Solutions of Multi-Time Hamilton Equations

Periodical Solutions of Poisson-Gradient Dynamical Systems with Periodical Potential