Higher Kahler differentials and higher Jacobian ideals
Người báo cáo: Lê Quý Thường (Đại học KHTN-ĐHQG Hà Nội)
Speaker: PGS. TS. Lê Quý Thường (Viện Toán học)
Time: 9:30 -- 11:00, November 15, 2023.
Venue: Room 612, A6, Institute of Mathematics, VAST
Abstract: Generalizing Yasuda's n-th Nash blowup to that of any morphism of varieties arises a standard sheaf of ideals which plays the role of a center of an isomorphic blowup. Such a standard sheaf is called the n-th Jacobian ideal of the morphism. We show that this sheaf can be obtained by taking a certain Fitting ideal of the n-th Kahler differential of the morphism.
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