Electromagnetic Interactions and Field Theory

Opening Address.- Photon hadron interaction in the resonance region.- Two-body and quasi-tow-body electro- and photoproduction at high energies.- e+e? annihilation, the new particles, and charm.- Physics with e+e?-storage rings.- Phenomenology of weak currents.- Quantum electrodynamics in laser fields.- Analytic extrapolation techniques and stability proplems in dispersion relation theory.- Source theory viewpoints in deep inelastic scattering.- Vacuum polarization, source- and otherwise.- Spontaneous mass generation, renormalization group and solvable U(N)-symmetric models.- A second look at relativistic wave equations.- Structural questions in quantum field theory.- Stochastic processes and quantum theory.- Convexity properties of Coulomb systems.- Finite conformal transformations in local quantum field theory.- Summary.

The symmetry structure of a field theory is a descending hierarchy of symmetry, ... The SU(2) × U(1) theory of the weak and electromagnetic interactions was first ... The theoretical investigation of the interaction of matter with laser pulses by now ... An external static magnetic field gives rise to the Zeeman splitting of atomic ...