2 papers
math.RT2025
Tannaka Reconstruction and the Monoid of Matrices
John C. Baez, Todd Trimble
Settling a conjecture from an earlier paper, we prove that the monoid of matrices in a field of characteristic zero is the "walking monoid with a…
math.CT2024
2-Rig Extensions and the Splitting Principle
John C. Baez, Joe Moeller, Todd Trimble
Classically, the splitting principle says how to pull back a vector bundle in such a way that it splits into line bundles and the pullback map induces an injection on -theory. H…