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The n-Category Café

A group blog on math, physics and philosophy.

  • Roughly two posts per week
  • First post on

Posts per month

Data for this chart is available in the table below
Posts per month
Month starting Posts
Nov 2022 1
Dec 2022 5
Jan 2023 9
Feb 2023 4
Mar 2023 7
Apr 2023 3
May 2023 5
Jun 2023 8
Jul 2023 4
Aug 2023 8
Sep 2023 13
Oct 2023 4
Nov 2023 2
Dec 2023 3
Jan 2024 2
Feb 2024 3
Mar 2024 6
Apr 2024 4

Any gaps could be due to errors when fetching the blog’s feed.

Most recent posts

The Quintic, the Icosahedron, and Elliptic Curves
Old-timers here will remember the days when Bruce Bartlett and Urs Schreiber were regularly talking about 2-vector spaces and the like. Later I enjoyed conversations with Bruce and Greg Egan on quintics and the icosahedron. …
On , by john, 347 words
Pythagorean Triples and the Projective Line
Pythagorean triples like 3 2+4 2=5 23^2 + 4^2 = 5^2 may seem merely cute, but they’re connected to some important ideas in algebra. To start seeing this, note that rescaling any Pythagorean triple m …
On , by john, 1,947 words
Semi-Simplicial Types, Part II: The Main Results
(Jointly written by Astra Kolomatskaia and Mike Shulman) This is part two of a three part series of expository posts on our paper Displayed Type Theory and Semi-Simplicial Types. In this part, we cover the …
On , by shulman, 4,232 words