29 citations · 98 across the 21 of their papers we have counts for
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math.CT2021★ 4 cited
Substructural fixed-point theorems and the diagonal argument: theme and variations
David Michael Roberts
This article re-examines Lawvere's abstract, category-theoretic proof of the fixed-point theorem whose contrapositive is a `universal' diagonal argument. The main result is that th…
math.DG2021★ 1 cited
Many finite-dimensional lifting bundle gerbes are torsion
David Michael Roberts
Many bundle gerbes constructed in practice are either infinite-dimensional, or finite-dimensional but built using submersions that are far from being fibre bundles. Murray and Stev…