Paul Purdon Martin

Exactly solvable models for 2+1D topological phases derived from crossed modules of semisimple Hopf algebras

Vincent Koppen, Joao Faria Martins, Paul Purdon Martin, 2021, 2104.02766.

Motion Groupoids and Mapping Class Groupoids

Joao Faria Martins, Paul Purdon Martin, Fiona Torzewska, 2021, Communications in Mathematical Physics.