Founded in 1960 as an institute of Estonian Academy of Sciences, associated with Tallinn University of Technology in 1997. AREAS OF RESEARCH APPLIED MATHEMATICS. Approximation methods, inverse problems, stochastic programming. MECHANICS. Nonlinear dynamics and wave propagation, non-destructive stress analysis (photoelasticity and acoustodiagnostics), cardiac dynamics. COMPUTER SCIENCE. Mathematical foundations for computer science, mathematical logic and constructive mathematics, automated program synthesis, knowledge-based software engineering, specification and verification of real-time software, software systems. CONTROL SYSTEMS. Conceptual analysis, nonlinear and robust control systems, control systems modeling. LANGUAGE TECHNOLOGY. Formal models for natural languages, Estonian phonetics, speech analysis and synthesis, speaker recognition.