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math-ph2025
Non-Lagrangian Construction of Anyons via Flux Quantization in Cohomotopy
Hisham Sati, Urs Schreiber
We provide a brief invitation to the novel understanding of anyonic topological order in fractional quantum (anomalous) Hall systems, via "extraordinary" quantization of effective…
math-ph2024
Higher Topos Theory in Physics
Urs Schreiber
A brief exposition of the point of higher topos theory in (mathematical) physics, commissioned for the Encyclopedia of Mathematical Physics 2nd ed.