Higher-Dimensional Algebra III. n-Categories and the Algebra of Opetopes (Rev #1)

- John C. Baez and James Dolan?, Higher-Dimensional Algebra III. n-Categories and the Algebra of Opetopes,
*Advances in Mathematics*135, pages 145-206, 1998. arXiv:9702014

This paper introduces opetopes?, and uses them to give a definition of weak n-categories?. The term 2-rig was first used here.

- A. Joyal?, Une théorie combinatoire des séries formelles,
*Advances in Mathematics*42, pages 1-82, 1981.

category: mathematical methods