New posts in Hamiltonian Formalism

How does one "invert" such infinite-dimensional sympletic form?

Undefined Hamiltonian for this particular Lagrangian

What is a Hamiltonian of a System?

Compute the Legendre transform for a singular Lagrangian

A mathematically illogical argument in the derivation of Hamilton's equation in Goldstein

What is the link between the rotating wave approximation and the algebraic representation of a dynamical system?

Why are symmetries in phase space generated by functions that leave the Hamiltonian invariant?

How do anomalies affect the field equations of motion?

What does a symmetry that changes the Lagrangian by a total derivative do to the Hamiltonian $H$?

Why do we use the Lagrangian and Hamiltonian instead of other related functions?