The n-Category Café
A group blog on math, physics and philosophy
The n-Category Café's Latest Posts
Every compact ring is totally disconnected.
Todd Trimble's note on 'the super Brauer group and super division algebras', reprinted.
A detailed introduction to the Brauer--Wall monoid, which gives an algebraic explanation of the ten-fold way.
A geometric construction, used in combinatorial optimization and phylogenetic analysis, interpreted categorically.
My introduction to category theory has just been published.
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