EntityQ5532502· pop 6· linked from 15 articlesgeneralized polygonSign in to savegeneralised concept of incidence structure of polygonsConnectionsgroup of Lie typeEntitymathematicsEntityInternational Standard Book NumberEntitypolygonEntitydigital object identifierEntityQ118398Entitysquare numberEntitymodel theoryEntitydigonEntityJacques TitsEntityHandle SystemEntityRamsey theoryEntityMathematical ReviewsEntityprojective planeEntityCiteSeerXEntitycomplete bipartite graphEntitygirthEntityRuth MoufangEntityconverse relationEntityGraham HigmanEntityCategoriesGroup theoryIncidence geometry