Unified Theories of Elementary Particles [electronic resource] : Critical Assessment and Prospects Proceedings of the Heisenberg Symposium Held in München, July 16–21,1981 / edited by P. Breitenlohner, H. P. Dürr.

An approach to the unification of elementary particle interactions -- Composite quarks and leptons -- Radical unification -- Speculations about the QCD vacuum -- Some recent progress in chromo string dynamics -- The numerical study of quantum chromodynamics -- Spontaneously broken and dynamically enhanced global and local symmetries -- Spontaneous breaking of supersymmetry -- Supersymmetric soliton states in extended supergravity theories -- Stability properties of gravity theories -- Why is the apparent cosmological constant zero? -- Lattice gravity or Riemannian structure on piecewise linear spaces -- Particles and geometry.