3 papers
math.QA2026
A moperadic approach to cyclotomic associators
Damien Calaque, Martin Gonzalez
This is a companion paper to "Ellipsitomic associators". We provide a (m)operadic description of Enriquez's torsor of cyclotomic associators, as well as of its associated cyclotomi…
math.AG2026
Shifted cotangent bundles, symplectic groupoids and deformation to the normal cone
Damien Calaque, Pavel Safronov
This article generalizes the theory of shifted symplectic structures to the relative context and non-geometric stacks. We describe basic constructions that naturally appear in this…
math.QA2024
Ellipsitomic Associators
Damien Calaque, Martin Gonzalez
We develop a notion of ellipsitomic associators by means of operad theory. We take this opportunity to review the operadic point-of-view on Drinfeld associators and to provide such…