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9780444520425

Reaction-diffusion Computers

by ; ;
  • ISBN13:

    9780444520425

  • ISBN10:

    0444520422

  • Format: Hardcover
  • Copyright: 2005-11-30
  • Publisher: Elsevier Science
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Supplemental Materials

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Summary

Join the authors on a journey where they describe the possibility of computers composed of nothing more than chemicals. Unlikely as it sounds, the book introduces the topic of 'reaction-diffusion computing', a topic which in time could revolutionise computing and robotics.

Author Biography

Andy Adamatzky is Professor at the Faculty of Computing, Engineering and Mathematical Sciences, University of the West of England, Bristol, UK Ben de Lacy Costello is Senior Research Fellow at the Centre for Research in Analytical, Material and Sensor Sciences, Faculty of Applied Science, University of the West of England, Bristol, UK Tetsuya Asai is Associate Professor at the Graduate School of Information Science and Technology, Hokkaido University, Japan

Table of Contents

Preface v
Contents xiii
Non-linear chemistry meets non-classical computation
1(30)
What is a chemical processor?
2(5)
Overview of chemical processors
7(15)
Other chemical systems
22(3)
Current state of reaction-diffusion processors
25(6)
Geometrical computation: Voronoi diagram and skeleton
31(52)
Voronoi diagram
31(2)
Time-to-space mapping
33(1)
Cellular-automaton Voronoi diagram
34(7)
Chemical processors for Voronoi-diagram computation
41(2)
Voronoi diagrams in chemical processors
43(7)
When computations go wrong!
50(2)
Unstable processors
52(5)
Secondary Voronoi diagrams
57(4)
Controllability of secondary Voronoi diagrams
61(3)
Skeleton of planar shape
64(1)
Chemical processors for skeleton computation
65(1)
Mechanics of skeletonisation
65(5)
Computing skeletons of geometric shapes
70(2)
Multitasking in chemical processors
72(7)
Conclusion
79(4)
Logical circuits in chemical media
83(36)
Logical gates in precipitating medium
84(8)
Collision-based computing in excitable media
92(5)
Laboratory prototype of collision-based computer
97(10)
Hexagonal reaction-diffusion automaton
107(7)
Conclusion
114(5)
Reaction-diffusion controllers for robots
119(42)
Robot taxis controlled by a Belonsov Zhabotinsky medium
119(9)
Path planning
128(20)
Controlling a robotic hand
148(8)
Conclusion
156(5)
Programming reaction-diffusion processors
161(16)
Controllability
161(1)
How to program reaction-diffusion computers?
162(2)
Programming with reaction rates
164(3)
Programming with excitability
167(9)
Conclusion
176(1)
Silicon reaction-diffusion processors
177(70)
Modelling reaction-diffusion LSI circuits
179(4)
Digital reaction-diffusion chips
183(27)
Analogue reaction-diffusion chips
210(37)
Minority-carrier reaction-diffusion device
247(16)
Reaction-diffusion computing device with p-n-p-n diode
247(9)
Numerical simulation results
256(4)
Computing in reaction-diffusion semiconductor devices
260(2)
Conclusion
262(1)
Single-electron reaction-diffusion devices
263(12)
Constructing electrical analogue of reaction-diffusion systems
263(6)
Spatio-temporal dynamics produced by the single-electron system
269(3)
Towards actual reaction-diffusion devices
272(3)
Non-constructibility: from devil's advocate
275(14)
Computing with singularities
275(8)
Voronoi diagram is not invertible
283(5)
Conclusion
288(1)
Glossary 289(8)
Colour insert 297(12)
Bibliography 309(22)
Index 331

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