(Haifa Israel)International Symopsium on the Theory of Machines and Computations International Symopsium on the Theory of Machines and Computations The International Federation for the Theory of Machines and Mechanisms Third world congress on the theory of machines and mechanisms Taniguchi International Symposium on the Theory of Condensed Matter (The Netherlands)The International Federation for the Theory of Machines and MechanismsED (California)International symposium on fault-tolerant computing