This note covers the following topics: introduction, calculus of
variations basics, the action, Lagrangian and lagrangian density, particles,
fields, canonical variables, the euler-lagrange equations and dynamics in
particles, fields, Noether's theorem and conservation laws.
This note covers the following topics: Conserved Quantities, Energy and Momentum, Charge, Angular Momentum, Particle
categories, Leptons and Lepton Number, Baryons and Baryon Number.