EntityQ5121504· pop 6· linked from 68 articlescircle packing theoremSign in to savetheorem describing the possible tangency relations between circles in the plane whose interiors are disjointConnectionsplanar graphEntitypolyhedronEntitydiskEntitycountable setEntityconvex functionEntitycompact spaceEntityconformal mapEntityglossary of graph theory termsEntityApollonian gasketEntityRené DescartesEntitybrainEntityGottfried Wilhelm LeibnizEntityInternational Standard Book NumberEntityangleEntitylogarithmEntityreal numberEntityrational numberEntityhorizonEntitypolygonEntityBernhard RiemannEntityCategoriesCircle packingStatements about planar graphsTheorems about circles