Automata, Languages and Programming: 12th Colloquium, Nafplion, Greece, July 15-19, 1985. Proceedings

Vertex packing algorithms.- Linear and branching structures in the semantics and logics of reactive systems.- About rational sets of factors of a bi-infinite word.- A fair protocol for signing contracts.- The influence of key length on the area-time complexity of sorting.- Repeated synchronous snapshots and their implementation in CSP.- On total regulators generated by derivation relations.- Optimal solutions for a class of point retrieval problems.- Fractional cascading: A data structuring technique with geometric applications.- Hierarchies of one-way multihead automata languages.- Partitioning point sets in 4 dimensions.- A completeness theorem for recursively defined types.- Categorical combinatory logic.- Towards a uniform topological treatment of streams and functions on streams.- Infinite streams and finite observations in the semantics of uniform concurrency.- Imposed-functional dependencies inducing horizontal decompositions.- Characterization of high level tree transducers.- Ambiguity and transcendence.- A fast algorithm for polygon containment by translation.- Deterministic and Las Vegas primality testing algorithms.- Efficient algorithms for graphic matroid intersection and parity.- Operational semantics for order-sorted algebra.- A universal domain technique for profinite posets.- A simple proof of the Skolem-Mahler-Lech theorem.- On complete problems for NP?CoNP.- An algebraic theory of fair asynchronous communicating processes.- Hoare's logic for nondeterministic regular programs: A nonstandard completeness theorem.- Powerdomains as algebraic lattices preliminary report.- Random generation of combinatiorial structures from a uniform distribution.- Do rational equivalence relations have regular cross-sections?.- On probabilistic time and space.- The nearest neighbor problem on bounded domains.- Routing through a generalized switchbox.- On k-repetition free words generated by length uniform morphisms over a binary alphabet.- Every commutative quasirational language is regular.- A probabilistic distributed algorithm for set intersection and its analysis.- Distributed algorithms in synchronous broadcasting networks.- A context dependent equivalence between processes.- Lower bounds by kolmogorov-complexity.- A bidirectional shortest-path algorithm with good average-case behavior (preliminary version).- Applications of an infinite squarefree CO-CFL.- Special relations in automated deduction.- Dynamic interpolation search.- Polynomial levelability and maximal complexity cores.- Finite group topology and p-adic topology for free monoids.- On the use of relational expressions in the design of efficient algorithms.- The complementation problem for B¿chi automata with applications to temporal logic.- A complete compositional modal proof system for a subset of CCS.- On matrix multiplication using array processors.- Optimal parallel pattern matching in strings.- Compositionality and concurrent networks: Soundness and completeness of a proofsystem.