English Ample line bundle Cited by user NSH001 on 01 Apr 2022 In mathematics, a distinctive feature of algebraic geometry is that some line bundles on a projective variety can be considered "positive", while others are "negative" (or…
Japanese 準有限射 Cited by user Hagurekusa on 16 Oct 2021 準有限射はアレクサンドル・グロタンディークにより SGA 1 の中で初めて定義されたが、そのときは有限型という仮定はついていなかった。この仮定は、のちに EGA II 6.2 で定義されたときに、準有限性を茎を使って代数的に特徴づけるために追加された。.
Catalan Grassmannià Cited by user Alvaro Vidal-Abarca on 18 Apr 2016 En matemàtiques, el grassmannià és un espai que parametritza tots els subespais vectorials de dimensió d'un espai vectorial .
English Quasi-finite morphism Cited by user Rjwilmsi on 22 May 2014 In algebraic geometry, a branch of mathematics, a morphism f : X → Y of schemes is quasi-finite if it is of finite type and satisfies any of the following equivalent…
English Valuative criterion Cited by user Rjwilmsi on 15 May 2014 In mathematics, specifically algebraic geometry, the valuative criteria are a collection of results that make it possible to decide whether a morphism of algebraic…