A fiberwise criterion for flatness of morphisms of infinite type
Speaker: Phùng Hồ Hải
Time: 9:30 - 11:00, January 06, 2021
Venue: Room 612, A6, Institute of Mathematics, VAST
Abstract: We present a new fiberwise criterion for the flatness of morphisms of infinite type. The motivation of this study is a theorem of Cartier on the faithful flatness of quotient morphism of affine group scheme over fields. The criterion is applied for homomorphism of affine group schemes over local rings.

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