2 papers
math.AT2024
Cyclic Segal Spaces
Julia E. Bergner, Walker H. Stern
In this survey article, we review some conceptual approaches to the cyclic category , as well as its description as a crossed simplicial group. We then give a new proof of the…
math.CT2024
Frobenius and commutative pseudomonoids in the bicategory of spans
Ivan Contreras, Rajan Amit Mehta, Walker H. Stern
In previous work by the first two authors, Frobenius and commutative algebra objects in the category of spans of sets were characterized in terms of simplicial sets satisfying cert…