Robuta

https://pirsa.org/19020063 Perverse sheaves, perverse schobers and physical "theories" | PIRSA perverse sheaves schobers physical theories pirsa https://math-events.uni-bonn.de/event/1003/ Perverse schobers for filtered categories I (December 16, 2025) · Bonn Math Events Portal (Indico) Perverse schobers on marked surfaces are a class of sheaves of stable infinity-categories that can be packaged into a combinatorial formalism. The global... perverse schobers filtered categories december