Information Thermodynamics on Causal Networks and its Application to Biochemical Signal Transduction

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Springer, Jul 16, 2016 - Science - 133 pages
In this book the author presents a general formalism of nonequilibrium thermodynamics with complex information flows induced by interactions among multiple fluctuating systems.
The author has generalized stochastic thermodynamics with information by using a graphical theory. Characterizing nonequilibrium dynamics by causal networks, he has obtained a novel generalization of the second law of thermodynamics with information that is applicable to quite a broad class of stochastic dynamics such as information transfer between multiple Brownian particles, an autonomous biochemical reaction, and complex dynamics with a time-delayed feedback control. This study can produce further progress in the study of Maxwell’s demon for special cases.
As an application to these results, information transmission and thermodynamic dissipation in biochemical signal transduction are discussed. The findings presented here can open up a novel biophysical approach to understanding information processing in living systems.
 

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Contents

1 Introduction to Information Thermodynamics on Causal Networks
1
2 Review of Classical Information Theory
11
3 Stochastic Thermodynamics for Small System
24
4 Information Thermodynamics Under Feedback Control
41
5 Bayesian Networks and Causal Networks
51
6 Information Thermodynamics on Causal Networks
61
7 Application to Biochemical Signal Transduction
83
8 Information Thermodynamics as Stochastic Thermodynamics for Small Subsystem
98
9 Further Applications of Information Thermodynamics on Causal Networks
121
10 Conclusions
127
Appendix Curriculum Vitae
132
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About the author (2016)

Dr. Sosuke Ito

Department of Physics, The University of Tokyo

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