2-Dimensional Categories is an introduction to 2-categories and bicategories, assuming only the most elementary aspects of category theory.

An array of general ideas useful in a wide variety of fields. Starting from the foundations, this book illuminates the concepts of category, functor, natural tr

The purpose of this book is to give background for those who would like to delve into some higher category theory. It is not a primer on higher category theory

A short introduction ideal for students learning category theory for the first time.

Two-dimensional calculus is vital to the mastery of the broader field, and this text presents an extensive treatment. Advantages include the thorough integratio