EntityQ3054869· pop 6· linked from 32 articlesKakeya setSign in to saveshape containing unit line segments in all directionsConnectionsQ118398EntityAbram BesicovitchEntitymathematicsEntityInternational Standard Book NumberEntityWayback MachineEntitydigital object identifierEntityInternational Standard Serial NumberEntityplaneEntityvector spaceEntityequilateral triangleEntityline segmentEntityQ180686EntitydiskEntityEuclidean spaceEntityJSTOREntitybibcodeEntityQ229883EntityTerence TaoEntityunit vectorEntityconvex setEntityCategoriesDiscrete geometryHarmonic analysisReal analysis