A sound and complete proof system for partial program correctness -- The problem of reachability and verification of programs -- Assertion programming -- Complexity classes of formal languages -- Fast probabilistic algorithms -- Relative succinctness of representations of languages and separation of complexity classes -- On two types of loops -- Full abstraction for a simple parallel programming language -- On some developments in cryptography and their applications to computer science -- Searching, sorting and information theory -- Lcf: A way of doing proofs with a machine -- Axioms or algorithms -- Power from power series -- Computational complexity of string and graph ident ification -- A survey of grammar and l forms-1978 -- A theoretical study on the time analysis of programs -- Completeness problems in verification of programs and program schemes -- Relationships between AFDL's and cylinders -- Computable data types -- Program equivalence and provability -- Interactive L systems with almost interactionless behaviour -- On the simplification of constructions in degrees of unsolvability via computational complexity -- An algebraic extension of the Chomsky — hierarchy -- Bounds on computational complexity and approximability of initial segments of recursive sets -- On the weighted path length of binary search trees for unknown access probabilities -- Computational complexity of approximation algorithms for combinatorial problems -- A reduct-and-closure algorithm for graphs -- Small universal Minsky machines -- Parallel and two-way recognizers of directed acyclic graphs -- Fully effective solutions of recursive domain equations -- A note on computational complexity of a statistical deducibility testing procedure -- Context free normal systems -- New proofs for jump dpda's -- Synchronization and maximality for very pure subsemigroups of a free semigroup -- On the sets of minimal indices of partial recursive functions -- Some remarks on Boolean sums -- On the propositional algorithmic logic -- Ch(k) grammars: A characterization of LL(k) languages -- A uniform approach to balanced binary and multiway trees -- On the generative capacity of some classes of grammars with regulated rewriting -- Validity test for Floyd's operator-precedence parsing algorithms -- On the languages of bounded Petri nets -- Dyck language D2 is not absolutely parallel -- Fixed points in the power-set algebra of infinite trees -- On relaxation rules in algorithmic logic -- L-Fuzzy functorial automata -- Schematics of structural parallel programming and its applications -- On axiomatization of deterministic propositional dynamic logic -- Bounded recursion and complexity classes -- Characterization of rational and algebraic power series -- A crossing measure for 2-tape Turing machines -- The complexity of lexicographic sorting and searching -- An algebraic approach to concurrence -- On multitape automata -- A turing machine oracle hierarchy -- A survey of some syntactic results in the ?-calculus -- On rational expressions representing infinite rational trees : Application to the structure of flow charts.