An algorithmic interface structure for pascal compilers -- Nonuniform complexity classes, decision graphs and homological properties of posets -- On the control of concurrent systems by restrictions of the state behaviour -- From domino tilings to a new model of computation -- Nondeterministic Propositional Dynamic Logic with intersection is decidable -- A note on selection networks -- Correctness of inconsistent theories with notions of feasibility -- On the log-space reducibility among array languages /preliminary version/ -- Non-uniformity of dynamic logic -- Model theory of propositional logics of programs, some open problems -- Some results on decision trees with relations to computational trees -- Propositional calculi of term satisfiability and process logics -- On the effectiveness of some operations on algorithms -- Concatenation of program modules an algebraic approach to the semantic and implementation problems -- Regular expressions for infinite trees and a standard form of automata -- Equational ?-calculus -- A logic of indiscernibility relations -- Rough sets and decision tables -- On learning - a rough set approach -- A methodology for improving parallel programs by adding communications -- Extension of PDL and consequence relations -- Rough-sets based learning systems -- Theories of interacting stacks -- Rough concepts logic -- An equivalence between indiscernibility relations in information systems and a fragment of intuitionistic logic -- On the recognition of context-free languages -- On multi-valued homomorphisms -- Traces and semiwords -- Deadlock prediction in linear systems -- Propositional dynamic logics with counters and stacks -- Transition graphs semantics and languages -- On the implementation of CSP mechanisms in loglan.