An archive of stories about category theorists.
Web page for the category theory mailing list.
Introductory article by John Baez.
This expository article is an entry in the Stanford Encyclopedia of Philosophy.
An implementation of concepts and constructions from category theory in the functional programming language Standard ML. Documentation and code.
Section of the e-print arXiv dealing with category theory, including such topics as: enriched categories, topoi, abelian categories, monoidal categories, homological algebra.
Maintained by M. Alsani.
Maintained by Birant Ramazan. Address book, open problems, meetings, pictures, other resources.
Notes by Ronald Brown.
An illustrated guide book by Eugenia Cheng and Aaron Lauda.
Examples, with diagrams, of concepts in category theory: for example, products, coequalisers, and limits.
Problems on model categories listed by Mark Hovey at Wesleyan University.
Includes papers on category theory.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us