3 papers
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…
math.CT2024
Fiber 2-Functors and Tambara-Yamagami Fusion 2-Categories
Thibault D. Décoppet, Matthew Yu
We introduce group-theoretical fusion 2-categories, a strong categorification of the notion of a group-theoretical fusion 1-category. Physically speaking, such fusion 2-categories…