theHigherGeometer
Glue work instead of pasting diagrams
BB(5)=47,176,870: BB(6) is … astronomically larger
Infinite descent in ancient times
Morphisms between abelian differentiable gerbes
Small fun observation about finite topological spaces, and some challenges
Abelian differentiable gerbes – recap
Type-theoretic considerations in functional language software development
Two items: a new rare high-rank elliptic curve, and a beautifully-organised orchard of Diophantine equations
Transcription and translation of Grothendieck’s 1972 CERN talk
DOIs for Theory and Applications of Categories!!