3 papers
math.AT2026
Composition of bispans of -sets and plethysm
Nathan Cornelius, Evan Franchere, Usman Hafeez +4
Let be the Grothendieck ring of the semiring of endomorphisms of the point in the -category of bispans of finite -sets for a finite group . This is the bispan analo…
math.AT2026
Additive power operations in equivariant cohomology
Peter J. Bonventre, Bertrand J. Guillou, Nathaniel J. Stapleton
Let be a finite group and be an -ring -spectrum. For any -space and positive integer , we give an explicit description of the smallest Mackey ideal $…
math.RA2024
On the image of the total power operation for Burnside rings
Nathan Cornelius, Lewis Dominguez, David Mehrle +3
We prove that the image of the total power operation for Burnside rings lies inside a relatively small, combinatorial subring $\mathring A(G,n) \subseteq A(G…