Relative Entropy in Biological Systems

Here’s a draft of my paper for the proceedings of a workshop on Information and Entropy in Biological System this spring:

• John Baez, Relative Entropy in Biological Systems.

I’d love any comments or questions you might have. I’m not happy with the title. In the paper I advocate using the term ‘relative information’ instead of ‘relative entropy’—yet the latter is much more widely used, so I feel I need it in the title to let people know what the paper is about!

Here’s the basic idea.

Life rel...