In algebraic geometry, a transformation on an algebraic variety or scheme, wherein a closed subvariety is replaced with the space of lines passing through it (in the case of a point, a projective space), commonly used to resolve singularities
je algebra geometrio: transformo de variaĵo aŭ skemo, kiu anstataŭigas fermita subvariaĵon (aŭ subskemon) per projekcia spaco (eo)
conceito em geometria algébrica (pt)
type d’application birationnelle entre variétés qui est un isomorphisme en dehors de sous-variétés propres (fr)
空間の部分空間をその部分空間を指し示す向き全体の空間に置き換える、一種の幾何学的変換 (ja)
операція в алгебричній геометрії (uk)
in algebraic geometry, a transformation on an algebraic variety or scheme, wherein a closed subvariety is replaced with the space of lines passing through it (in the case of a point, a projective space), commonly used to resolve singularities (en)