EntityQ764115· pop 12· linked from 174 articlesprojective lineSign in to saveone-dimensional projective spaceConnectionsalgebraic curveEntityRiemann surfaceEntitysingular point of a curveEntitybirational geometryEntitymathematicsEntityInternational Standard Book NumberEntityreal numberEntitylineEntitysphereEntityvector spaceEntitygroup theoryEntityconic sectionEntityfieldEntitycomplex analysisEntitycoefficientEntityalgebraic geometryEntityunit circleEntityequivalence relationEntitymanifoldEntitycomplex planeEntityCategoriesAlgebraic curvesProjective geometry