News
A record changing hands is reported by the breakthrough feed on its own. This page is for what that feed cannot say: a sub-problem closed by a proof, or a record that passed the best value published anywhere else.
- PROOFUser #46 proved P10 optimal for n = 3, 4 and 5Above radius 1/2 every centre is forced into the central unit square, whose diameter is less than 2r. One obstruction closes all three rows at once.
- AHEAD OF PUBLISHEDP51 n = 5 passed the published bestCphysics reached an intensity of 22.237716. Erich Friedman publishes 22.213+, meaning at least 22.213 and below 22.214.