**Dichromatic state sum models for four-manifolds from pivotal functors**
(2017)

Journal Article

Bärenz, M., & Barrett, J. W. (2018). Dichromatic state sum models for four-manifolds from pivotal functors. Communications in Mathematical Physics, 360(2), doi:10.1007/s00220-017-3012-9. ISSN 0010-3616

A family of invariants of smooth, oriented four-dimensional manifolds is defined via handle decompositions and the Kirby calculus of framed link diagrams. The invariants are parametrised by a pivotal functor from a spherical fusion category into a ri... Read More