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This book constitutes the refereed proceedings of the 5th International Conference on Machines, Computations, and Universality, MCU 2007, held in Orleans, France, September 2007. The 18 revised full papers presented together with nine invited papers cover Turing machines, register machines, word processing, cellular automata, tiling of the plane, neural networks, molecular computations, BSS machines, infinite cellular automata, real machines, and quantum computing.
List of contents
Invited Talks.- Encapsulating Reaction-Diffusion Computers.- On the Computational Capabilities of Several Models.- Universality, Reducibility, and Completeness.- Using Approximation to Relate Computational Classes over the Reals.- A Survey of Infinite Time Turing Machines.- The Tiling Problem Revisited (Extended Abstract).- Decision Versus Evaluation in Algebraic Complexity.- A Universal Reversible Turing Machine.- P Systems and Picture Languages.- Regular Papers.- Partial Halting in P Systems Using Membrane Rules with Permitting Contexts.- Uniform Solution of QSAT Using Polarizationless Active Membranes.- Satisfiability Parsimoniously Reduces to the TantrixTM Rotation Puzzle Problem.- Planar Trivalent Network Computation.- On the Power of Networks of Evolutionary Processors.- Study of Limits of Solvability in Tag Systems.- Query Completeness of Skolem Machine Computations.- More on the Size of Higman-Haines Sets: Effective Constructions.- Insertion-Deletion Systems with One-Sided Contexts.- Accepting Networks of Splicing Processors with Filtered Connections.- Hierarchical Relaxations of the Correctness Preserving Property for Restarting Automata.- Four Small Universal Turing Machines.- Changing the Neighborhood of Cellular Automata.- A Simple P-Complete Problem and Its Representations by Language Equations.- Slightly Beyond Turing's Computability for Studying Genetic Programming.- A Smallest Five-State Solution to the Firing Squad Synchronization Problem.- Small Semi-weakly Universal Turing Machines.- Simple New Algorithms Which Solve the Firing Squad Synchronization Problem: A 7-States 4n-Steps Solution.
