KnowraProjective planeLinked fromLinked fromThe 27 pages that link to Projective plane, each with the reason it gives.All 27Broader topic 7Related 7Narrower topic 10Compared with 3Euler characteristicRelated: Its Euler characteristic is one, illustrating that nonorientability does not prevent calculation.Projective transformationRelated: It is the natural domain for planar projective transformations.IncidenceRelated: Its axioms make point-line incidence especially regular.Elliptic geometryRelated: Its incidence structure captures elliptic geometry's lack of parallel lines.Girard DesarguesRelated: Projective geometry formalized the infinite intersections implicit in perspective constructions.Harnack's curve theoremRelated: Projective closure provides the setting in which degree and genus formulas apply uniformly.Hasse's theorem on elliptic curvesRelated: An elliptic curve's point count includes its projective point at infinity.