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  • © 2014

Information and Life

Authors:

  • Based on the engineers' experience, defines information as an abstract entity which can interact with the physical world
  • Popularizes information theory and error-correcting codes in order to make them usable by researchers in life sciences
  • Shows that heredity and biological evolution cannot be understood unless genomes are endowed with some kind of error-correcting codes
  • Shows how life results from the interaction of information with physical entities
  • Includes supplementary material: sn.pub/extras

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Table of contents (11 chapters)

  1. Front Matter

    Pages i-xiv
  2. Information as a Scientific Entity

    1. Front Matter

      Pages 9-9
    2. Introduction

      • Gérard Battail
      Pages 1-8
    3. What is Information?

      • Gérard Battail
      Pages 11-32
    4. Basic Principles of Communication Engineering

      • Gérard Battail
      Pages 33-49
    5. Channel Capacity and Channel Coding

      • Gérard Battail
      Pages 93-131
    6. Information as a Fundamental Entity

      • Gérard Battail
      Pages 133-152
  3. Information is Coextensive with Life

    1. Front Matter

      Pages 153-153
    2. An Introduction to the Second Part

      • Gérard Battail
      Pages 155-159
    3. Heredity as a Communication Problem

      • Gérard Battail
      Pages 161-191
    4. Information is Specific to Life

      • Gérard Battail
      Pages 193-209
    5. Life Within the Physical World

      • Gérard Battail
      Pages 211-222
    6. Conclusion

      • Gérard Battail
      Pages 223-224
  4. Back Matter

    Pages 225-260

About this book

Communication, one of the most important functions of life, occurs at any spatial scale from the molecular one up to that of populations and ecosystems, and any time scale from that of fast chemical reactions up to that of geological ages. Information theory, a mathematical science of communication initiated by Shannon in 1948, has been very successful in engineering, but biologists ignore it.

This book aims at bridging this gap. It proposes an abstract definition of information based on the engineers' experience which makes it usable in life sciences. It expounds information theory and error-correcting codes, its by-products, as simply as possible. Then, the fundamental biological problem of heredity is examined. It is shown that biology does not adequately account for the conservation of genomes during geological ages, which can be understood only if it is assumed that genomes are made resilient to casual errors by proper coding. Moreover, the good conservation of very old parts of genomes, like the HOX genes, implies that the assumed genomic codes have a nested structure which makes an information the more resilient to errors, the older it is.

The consequences that information theory draws from these hypotheses meet very basic but yet unexplained biological facts, e.g., the existence of successive generations, that of discrete species and the trend of evolution towards complexity. Being necessarily inscribed on physical media, information appears as a bridge between the abstract and the concrete. Recording, communicating and using information exclusively occur in the living world. Information is thus coextensive with life and delineates the border between the living and the inanimate.

Reviews

From the book reviews:

“This book deals with information theory and life sciences. … The readership of this book is mathematicians/information theorists/communications engineers who are interested in biology, and biologists who want to apply information theory to biology.” (Yûichirô Kakihara, Mathematical Reviews, July, 2014)

Authors and Affiliations

  • E.N.S.T., Paris, France (retired), Chabeuil, France

    Gérard Battail

Bibliographic Information

Buy it now

Buying options

eBook USD 84.99
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book USD 109.00
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book USD 109.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Other ways to access