2 papers
math.QA2025
Orbifold completion of 3-categories
Nils Carqueville, Lukas Müller
We develop a general theory of 3-dimensional ``orbifold completion'', to describe (generalised) orbifolds of topological quantum field theories as well as all their defects. Given…
math.QA2025
Orbifolds, higher dagger structures, and idempotents
Nils Carqueville, Tim Lüders
The orbifold/condensation completion procedure of defect topological quantum field theories can be seen as carrying out a lattice or state sum model construction internal to an amb…