3 papers
math-ph2026
Invertible phases for mixed spatial symmetries and the fermionic crystalline equivalence principle
Arun Debray
Freed-Hopkins give a mathematical ansatz for classifying gapped invertible phases of matter with a spatial symmetry in terms of Borel-equivariant generalized homology. We propose a…
math.AT2025
Adams spectral sequences for non-vector-bundle Thom spectra
Arun Debray, Matthew Yu
When is one of the spectra , , , , , or , there is a standard approach to computi…
hep-th2025
What bordism-theoretic anomaly cancellation can do for U
Arun Debray, Matthew Yu
We perform a bordism computation to show that the U-duality symmetry of 4d supergravity could have an anomaly invisible to perturbative meth…