Changes related to "Main Page"
This is a list of changes made recently to pages linked from a specified page (or to members of a specified category). Pages on your watchlist are bold.
9 October 2019
- (diff | hist) . . Hadwiger-Nelson problem; 11:34 . . (+124) . . Domotorp (→Best bounds for different shapes that can be k-colored: added 1.25 for k=4)