# The 2-category theory of quasi-categories

@article{Riehl2013The2T,
title={The 2-category theory of quasi-categories},
author={Emily Riehl and Dominic R. Verity},
journal={arXiv: Category Theory},
year={2013}
}
• Published 2013
• Mathematics
• arXiv: Category Theory
In this paper we redevelop the foundations of the category theory of quasi-categories (also called infinity-categories) using 2-category theory. We show that Joyal's strict 2-category of quasi-categories admits certain weak 2-limits, among them weak comma objects. We use these comma quasi-categories to encode universal properties relevant to limits, colimits, and adjunctions and prove the expected theorems relating these notions. These universal properties have an alternate form as absolute… Expand

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