Keywords: Metric epsilon-net.svg ε-net for the Euclidean plane where ε is the radius of the large yellow disks The blue disks of half the radius are disjoint and the yellow disks together cover the whole plane satisfying the two definitional requirements on an ε-net 2013-07-09 18 06 32 own David Eppstein cc-zero Uploaded with UploadWizard Metric geometry |