Table of Contents

Commemoration of John Hubbard (1931–1980).- Scientific papers.- Scaling properties of percolation clusters.- Experimental relevance of percolation.- Theory of dilute anisotropic magnets.- Finite size scaling and phenomenological renormalization.- Geometrical structure and thermal phase transition of the dilute s-state Potts and n-vector model at the percolation threshold.- Percolation, critical phenomena and fractals.- New directions in percolation, including some possible applications of connectivity concepts to the real world.- The present experimental situation in spin-glasses.- Mean field theory for spin glasses.- Equilibrium magnetisation of a spin glass above and below Tg: Comparison with mean field theory.- Spin glass models with short-range interactions: A short review of numerical studies.- Ginzburg-Landau spin-glass models.- Static and dynamic properties of spin glasses.- Stabilization of the order parameter fluctuations in spin glasses.- Order as a consequence of disorder in frustrated Ising models.- Spin glasses with special emphasis on frustration effects.- Localization and interaction effects in a two dimensional electron gas.- Critical behaviour at the mobility edge of the Anderson model of disordered systems.- Numerical results on the Anderson localization problem.- Critical properties of the Anderson mobility edge: Results from field theory.- Localization theory: Some recent results.- Correlation effects in metal-insulator transitions.- Optical and precursive properties approaching the metal to insulator transition in highly doped Si.- Localization in ordered systems.- On effects of electron-electron interactions in disordered electronic systems.- Finite size scaling approach to anderson localisation.- Scaling theory of Anderson localization: Arenormalization group approach.- Electron spin resonance in a Fermi glass.- Models of disordered systems.