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information theory

the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and especially by means of computers.
Origin of information theory
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for information theory
  • Borrowing a page from information theory, consider the difference between information and noise.
  • The rise of information theory aided and abetted a new view of life.
  • information theory provides one way of understanding how matter and mind are connected.
  • Quantum information theory is cute and all that, but it doesn't solve any of the conceptual foundation of quantum mechanics.
  • information theory does not say that new information can't be generated.
  • Loop calculus in statistical physics and information theory.
  • Ergodic theory of dynamical systems, probability, and information theory.
  • To learn about it see the primer introducing information theory.
  • My research interests are in quantum information theory and quantum computation.
British Dictionary definitions for information theory

information theory

a collection of mathematical theories, based on statistics, concerned with methods of coding, transmitting, storing, retrieving, and decoding information
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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information theory in Science
information theory  
A branch of mathematics that mathematically defines and analyzes the concept of information. Information theory involves statistics and probability theory, and applications include the design of systems that have to do with data transmission, encryption, compression, and other information processing.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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