Computation, Cooperation, and Life

1. Front Matter

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2. Introduction: Impact of GP’s Scientific Work

   1. Introduction: Impact of GP’s Scientific Work

      • Solomon Marcus

      Pages 1-4

3. I General Computing

   1. Front Matter

      Pages 5-5

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   2. Knowing All Optimal Solutions Does Not Help for TSP Reoptimization

      • Hans-Joachim Böckenhauer, Juraj Hromkovič, Andreas Sprock

      Pages 7-15

   3. A Recurrent Enumeration of Free Hypermultisets

      • Vincenzo Manca

      Pages 16-23

   4. Context Insertions

      • Paolo Bottoni, Radu Gramatovici, Anna Labella, Florin Manea, Victor Mitrana

      Pages 24-34

   5. A General Framework for Regulated Rewriting Based on the Applicability of Rules

      • Rudolf Freund, Marian Kogler, Marion Oswald

      Pages 35-53

4. II Grammar Systems

   1. Front Matter

      Pages 55-55

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   2. CD Grammar Systems: Competence and Confidence

      • Erzsébet Csuhaj-Varjú

      Pages 57-69

   3. Cooperating Distributed Grammar Systems: Components with Nonincreasing Competence

      • Maurice H. ter Beek, Erzsébet Csuhaj-Varjú, Markus Holzer, György Vaszil

      Pages 70-89

   4. On the Expressive Power of Valences in Cooperating Distributed Grammar Systems

      • Henning Fernau, Ralf Stiebe

      Pages 90-106

   5. Generative Power of Eco-Colonies

      • Alica Kelemenová, Šárka Vavrečková

      Pages 107-121

5. III Membrane Systems

   1. Front Matter

      Pages 123-123

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   2. Selected Topics in Computational Complexity of Membrane Systems

      • Petr Sosík

      Pages 125-137

   3. A Temporal Logic for Mutual Mobile Membranes with Objects on Surface

      • Bogdan Aman, Gabriel Ciobanu

      Pages 138-150

   4. Computing the Maximum Bisimulation with Spiking Neural P Systems

      • Rodica Ceterchi, Alexandru I. Tomescu

      Pages 151-157

   5. P Colonies and Their Extensions

      • Luděk Cienciala, Lucie Ciencialová

      Pages 158-169

   6. On the Parallelizability of Languages Accepted by P Automata

      • György Vaszil

      Pages 170-178

6. IV Inspirations from Natural Computing

   1. Front Matter

      Pages 179-179

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   2. On Some Biologically Motivated Control Devices for Parallel Rewriting

      • Arto Salomaa

      Pages 181-190

Gheorghe Păun has played an important role within a wide range of disciplines, from the foundations of traditional computation theory and formal language theory to research gaining its inspiration from living nature. He has significantly contributed to the development of these diverse fields, initiating and pioneering some of them with remarkable imaginativeness and enthusiasm. Gheorghe Păun’s research focusses on systems inspired by structures and processes found in living systems, with the field of membrane computing or P systems being the most important of his initiatives. This Festschrift volume, published to honor Gheorghe Păun on the occasion of his 60^th birthday,  includes 16 contributions by his students and collaborators. The research presented aims to gain a better understanding of what computation is, to find better models of computation, and to look for new computing devices inspired by the structure and/or functioning of natural or societal systems. The papers are preceded by an introduction by Solomon Marcus, Gheorghe Păun’s lifelong teacher and mentor, and are organized in topical sections on general computing, grammar systems, membrane systems, and inspirations from natural computing.

• P-automata
• P-systems
• bio-inspired computing
• computational complexity
• discrete structures
• membrane systems
• neural computing
• rewriting

• Institute of Computer Science, Silesian University, Opava, Czech Republic

  Jozef Kelemen, Alica Kelemenová

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