Span and cospan representations of weak double categories

نویسندگان
Grandis, Marco ID 1
Par\'e, Robert ID 2

1 Dipartimento di Matematica, Universit\`a di Genova, Via Dodecaneso 35, 16146-Genova, Italy

2 Department of Mathematics and Statistics, Dalhousie University, Halifax NS, Canada B3H 4R2

doi
چکیده

We prove that many important weak double categories can be `represented' by spans, using the basic higher limit of the theory: the tabulator. Dually, representations by cospans via cotabulators are also frequent.

کلیدواژه‌ها
Double category, tabulator, span