Information and Computation welcomes original papers in all areas of theoretical computer science and computational applications of information theory. Survey articles of exceptional quality will also be considered. Particularly welcome are papers contributing new results in active theoretical areas such asBiological computation and computational biologyComputational complexityComputer theorem-provingConcurrency and distributed process theoryCryptographic theoryData base theoryDecision problems in logicDesign and analysis of algorithmsDiscrete optimization and mathematical programmingInductive inference and learning theoryLogic & constraint programmingProgram verification & model checkingProbabilistic & Quantum computationSemantics of programming languagesSymbolic computation, lambda calculus, and rewriting systemsTypes and typechecking