Important exact sequences

preview_player
Показать описание
We discuss two important exact sequences, one associated to a hypersurface and other a scheme theoretic intersection. Ref: Algebraic Geometry, Daniel Perrin.
Рекомендации по теме
Комментарии
Автор

In the very last line, when you pass to the projective short exact sequence, doesn't the direction of the morphisms reverse?

thomashameister