2012/09/28 by Oberlin, Daniel, Oberlin, Richard
#11B30 #28E99 #42B10 #Classical Analysis and ODEs (math.CA) #FOS: Mathematics
paper · doi:10.48550/arxiv.1209.6537
We study some discrete and continuous variants of the following problem of Erdos: given a finite subset P of R2 or R3, what is the maximum number of pairs (p1,p2) with p1,p2 in P and |p1 -p2 |=1?