Wikimedi'Òc

Erdős–Faber–Lovász conjecture.svg - David Eppstein

Ego network.png - Houl0078

GraphEuler.png - DenisBoigelot

CollapsingIntoArea 1 of 2.png - LaduRoberto

Octadecahedron.png - File Upload Bot (Magnus Manske)

Réseaux partiellement connectés.JPG - Jimmy-neutron

Symmetric group 4; weak order of permutations; join table; inversion graphs.svg - Watchduck

Pairwise unifiable terms.gif - Jochen Burghardt

Generalizations of abc.gif - Jochen Burghardt

Pow3nonlattice.svg - Jochen Burghardt

Symmetric group S4; lattice of subgroups Hasse diagram; 11 different cycle graphs.svg - Watchduck