Open problems and links to software.

A brief introduction to information theory by David S. Touretzky of Carnegie Mellon University.

From the Web Dictionary of Cybernetics and Systems.

An article about some sides of Information Theory written by Robert M. Losee. Also there is link to pdf-version of article.

A collection of links to on-line expository articles on entropy and theory of information, maintained by Roland Gunesch (University of Hamburg).

Wikipedia article on this branch of applied mathematics and electrical engineering involving the quantification of information.

An article on this subject. Definition of information theory, probability and Markov chains.

Small collection of links about Information Theory and Claude Shannon.

An introduction to the synthesis of computation and information theory by Nick Szabo.

The linear complexity (LC) of a sequence is the size in bits of the shortest linear feedback shift register (LFSR) which can produce that sequence. The measure speaks to the difficulty of generating, and perhaps analyzing, a particular sequence.