Free phases of Majorana fermions: Tenfold ways compared

SKK groups of manifolds and non-unitary invertible TQFTs

joint with Renee S. Hoekzema and Simona Veselá

Weak topological phases in the presence of interactions

joint with Omar Antolín Camarena, Arun Debray, Cameron Krulewski, Natalia Pacheco-Tallaj and Daniel Sheinbaum