EntityQ1866689· pop 6· linked from 90 articlesconfigurationSign in to saveset of geometric points and lines such that each point is incident to the same number of lines and each line is incident to the same number of pointsConnectionscomplete quadrangleEntityStephan Cohn-VossenEntitymathematicsEntitytriangleEntityInternational Standard Book NumberEntityDavid HilbertEntitycomplex numberEntitypolygonEntitypointEntitydigital object identifierEntity31EntityplaneEntityisomorphismEntityQ118398Entityprojective geometryEntityinflection pointEntityOn-Line Encyclopedia of Integer SequencesEntity229EntityMathWorldEntitySpringer Science+Business MediaEntityCategoriesConfigurations (geometry)