Mathematical Foundations of Computer Science 1981

The complexity of manipulating hierarchically defined sets of rectangles.- The transformational machine: Theme and variations.- Probabilistic two-way machines.- A survey of some recent results on computational complexity in weak theories of arithmetic.- A survey on oracle techniques.- Time and space bounded complexity classes and bandwidth constrained problems.- Representations of graphs by means of products and their complexity.- Parsing strategies: A concise survey.- The art of dynamizing.- Fast parallel computation of polynomials using few processors.- Generalizations of Petri nets.- Partial match retrieval in implicit data structures.- A characterization of Floyd-provable programs.- Semantics of CSP via translation into CCS.- More about the "geography" of context-free languages.- On the power of algebraic specifications.- An application of the theory of free partially commutative monoids: Asymptotic densities of trace languages.- On the complexity of word problems in certain Thue systems.- On the transformation of derivation graphs to derivation trees.- Pushdown automata with restricted use of storage symbols.- Structured nets.- Retraceability, repleteness and busy beaver sets.- Combining T and level-N.- On realization and implementation.- Multiplicative complexity of a bilinear form over a commutative ring.- Making dynamic logic first-order.- Partial interpretations of program schemata.- Closure properties of the family of languages recognized by one-way two-head deterministic finite state automata.- Another hierarchy defined by multihead finite automata.- An extension of Rabin's complete proof concept.- How to find invariants for coloured Petri nets.- Relationships between probabilistic and deterministic tape complexity.- Grammatical levels of the position restricted grammars.- A general framework for comparing sequential and parallel rewriting.- A bin packing algorithm with complexity O(n log n) and performance 1 in the stochastic limit.- Codings of