In dynamical systems, a limit set is a set of points that a trajectory approaches as time goes to infinity, indicating the long-term behavior of the system. It is crucial for understanding stability, periodicity, and chaos within the system's evolution over time.
A trajectory is the path that an object follows through space as a function of time, often influenced by forces such as gravity, friction, and propulsion. It is a fundamental concept in physics and engineering, used to predict and analyze the motion of objects ranging from projectiles to spacecraft.
Periodicity refers to the recurring patterns or cycles that occur at regular intervals in various contexts, such as time, space, or data. Understanding periodicity is crucial for predicting future occurrences and identifying underlying structures in complex systems.