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Christopher Townsend's user avatar
Christopher Townsend's user avatar
Christopher Townsend's user avatar
Christopher Townsend
  • Member for 12 years, 2 months
  • Last seen more than 1 year ago
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Mathematician interested in topos theory and locale theory; www.christophertownsend.org

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Top posts

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7
Constructive proofs of existence in analysis using locales
Jan 10, 2018
7
Best introductory texts on pointless topology
Dec 24, 2019
6
Grothendieck says: points are not mere points, but carry Galois group actions
Dec 31, 2016
5
Is the inclusion of an étale complete localic groupoid $\mathbb{G}$ in its localic category $\gamma \mathbb{G}$ dense?
Jan 4, 2025
5
Alternatives to "Sketches of an Elephant" Volume 3
Dec 30, 2016
4
Coequalizers in the category of algebras of the double power locale monad
Jan 17, 2014
4
classifying $\infty$-toposes for topological/localic groups?
Jan 21, 2014
3
Characterisation of a class of group homomorphisms related to a central extension
Oct 10, 2017
2
How are the left and the right group of a bitorsor related?
Jan 9, 2018
1
Topological regularity for toposes
Dec 30, 2016