Popular Science

Derived from courses the author taught at Harvard and Johns Hopkins, this original book introduces the concepts of category theory categories, functors, natural transformations, the Yoneda lemma, limits and colimits,...

One of the most widely used texts in its field, this volume has been continuously in print since its initial 1976 publication. The clear, well-written exposition is enhanced by many...

A stimulating excursion into pure mathematics aimed at "the mathematically traumatized," but great fun for mathematical hobbyists and serious mathematicians as well. This book leads the reader from simple graphs...