Notes on topics in quantum field theory, 1960s

Effective Hamiltonian in the fixed source problem, relation between scattering cross sections and the S-matrix, representations of the Lorentz group, Lorentz-invariant wave equations, relation between scattering cross sections and the S-matrix (version 2), chiral SU(3)xSU(3) symmetry, some current algebra formulae, representations of SU(3), Dirac equation in 1 dimension, Lorentz group commutators, 2nd order weak interactions (with Operator Product Expansion), Steinberger calculation of pi-zero decay, irreducible representations of the Lorentz group, also: manuscript for "Regge Roles and Multiple Production" (1963) (+loose notes on renormalization group transformations)