- The Tutte–Coxeter graph and its construction from the outer automorphisms of S
_{6}(G+) - Google's S2 spatial data structure (G+)
- Question: how many arXiv papers are updated to their final journal versions? (Answer: about half of them have non-empty journal-reference metadata; G+)
- Keleti's conjecture on the ratio of perimeter to area of a union of unit squares (G+)
- Reference for mixed graph acyclicity testing? (Still not adequately answered, but the bounty has since expired; G+)
- Purifying spoiled randomness with spoiled randomness (G+)
- Six-tetrahedron kaleidocycles don't work (but it takes a computer simulation to demonstrate it, because paper ones do; G+)
- The new single-divisible-vote last-place-elimination scheme for Hugo nominations (or as they call it, e pluribus Hugo; G+)
- Wikipedia blocked in Russia over its refusal to take down information about illegal drugs (since unblocked; G+)
- The two cultures of CS: theory vs experiment (G+)
- Six points in general position in 3d can be partitioned into triples determining two linked circles (G+)
- Boulet imagines what physicists in a pixelated world might think of it (G+)
- Just because a formula looks mathy doesn't mean it makes any sense (G+)
- Google teaches spammers how to break security to get their ads through (G+)
- Hyde Al Dzhazil, Yemeni town built on a rock (G+)
- Constructing the Golay error-correcting code from a great dodecahedron (G+)

Leave a comment