代数幾何学セミナー

過去の記録 ~04/25次回の予定今後の予定 04/26~

開催情報 金曜日 13:30~15:00 数理科学研究科棟(駒場) ハイブリッド開催/117号室
担当者 權業 善範、中村 勇哉、田中 公

2012年10月15日(月)

15:30-17:00   数理科学研究科棟(駒場) 122号室
權業善範 氏 (東京大学数理科学研究科)
On the moduli b-divisors of lc-trivial fibrations (JAPANESE)
[ 講演概要 ]
Roughly speaking, by using the semi-stable minimal model program, we prove that the moduli part of an lc-trivial fibration coincides with that of a klt-trivial fibration induced by adjunction after taking a suitable generically finite cover. As an application, we obtain that the moduli part of an lc-trivial fibration is b-nef and abundant by Ambro's result on klt-trivial fibrations. Moreover I may explain some applications of canonical bundle formulas. These are joint works with Osamu Fujino.