Department of Mathematics; University of Copenhagen; Denmark
Received: 12 September 2001 / Accepted: 18 September 2001 / Published: 30 September 2001
Abstract: Basic concepts and results of that part of Information Theory which is often referred to as "Shannon Theory" are discussed with focus mainly on the discrete case. The paper is expository with some new proofs and extensions of results and concepts.
Keywords: entropy; divergence; mutual information; concavity; convexity; data reduction.