15 citations · 38 across the 4 of their papers we have counts for
4 papers
The monoidal centre as a limit
Ross Street
The centre of a monoidal category is a braided monoidal category. Monoidal categories are monoidal objects (or pseudomonoids) in the monoidal bicategory of categories. This paper p…
Trees, permutations and the tangent function
Ross Street
This is a report on a talk to high school mathematics students. It gives some combinatorial connections for the entries of the boustrophedon triangle whose sides are the Taylor coe…
Categorical and combinatorial aspects of descent theory
Ross Street
There is a construction which lies at the heart of descent theory. The combinatorial aspects of this paper concern the description of the construction in all dimensions. The descri…
Quantum categories, star autonomy, and quantum groupoids
Brian Day, Ross Street
A useful general concept of bialgebroid seems to be resolving itself in recent publications; we give a treatment in terms of modules and enriched categories. We define the term "qu…