EntityQ3554829· pop 7· linked from 50 articlesrational varietySign in to savealgebraic variety over a field K birationally equivalent to a projective space of some dimension over KConnectionsrational functionEntityfield extensionEntitybirational geometryEntityrational surfaceEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntityInternational Standard Serial NumberEntityEmmy NoetherEntityfieldEntityJSTOROrganizationbibcodeEntityisomorphismEntityQ118398Entitysurjective functionEntityCambridge University PressEntityGalois theoryEntityDavid MumfordEntityQ22908627Entityalgebraic varietyEntityCategoriesAlgebraic varietiesBirational geometry