David Eppstein's user avatar
David Eppstein's user avatar
David Eppstein's user avatar
David Eppstein
  • Member for 14 years, 5 months
  • Last seen more than a week ago
27 votes
3 answers
2k views

Ax–Grothendieck and the Garden of Eden

22 votes
4 answers
987 views

Triangle centers from curve shortening

19 votes
1 answer
723 views

Convergence rate of Fagin's 0-1 law for first-order properties of random graphs

18 votes
2 answers
2k views

Is the 4x5 chessboard complex a link complement?

17 votes
1 answer
699 views

Are all Dehn invariants achievable?

15 votes
0 answers
310 views

How much smoothness does the tennis ball theorem need?

10 votes
4 answers
2k views

Order types of positive reals

10 votes
0 answers
283 views

Monotone subsets of uncountable plane sets

9 votes
2 answers
719 views

Primes $p$ for which $pk+1$ is prime for small $k$ (or approximating Sophie Germain)

9 votes
0 answers
205 views

Reference for sparseness of incomparability graphs implying sparseness of covering graphs

8 votes
1 answer
381 views

Möbius-invariant triangle center?

5 votes
4 answers
1k views

Numerical coincidence involving the number 1663

5 votes
0 answers
460 views

Open convex hull of a closed set

3 votes
0 answers
258 views

Reference request: Representing posets by integer divisibility