New posts in Hamiltonian Formalism

Can Lagrangian have a potential term proportional to the quadratic or higher of velocity?

Why this integral represents an area in the phase space?

Canonical isomorphisms vs Legendre transform

Deriving Klein-Gordon from Hamilton's equations for fields using functional derivatives

What is the analogue for symplectic structure in case of spin variables?

The "real butterfly effect"

Does a Lagrangian always generate a unique Hamiltonian?

Hamiltonian of non-regular Lagrangian is well-defined on phase space

Generator of translations in classical mechanics

Is there a Lagrangian action that leads to gradient descent?