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複素解析幾何セミナー
過去の記録 ～06/25｜次回の予定｜今後の予定 06/26～
| 開催情報 | 月曜日 10:30～12:00 数理科学研究科棟(駒場) 128号室 |
|---|---|
| 担当者 | 平地 健吾, 高山 茂晴 |
2011年11月28日(月)
10:30-12:00 数理科学研究科棟(駒場) 128号室
松村慎一 氏 (東大数理)
An ampleness criterion with the extendability of singular positive metrics (JAPANESE)
松村慎一 氏 (東大数理)
An ampleness criterion with the extendability of singular positive metrics (JAPANESE)
[ 講演概要 ]
Coman, Guedj and Zeriahi proved that, for an ample line bundle L on a projective manifold X, any singular positive metric on the line bundle L|V along a subvariety V⊂X can be extended to a global singular positive metric of L. In this talk, we prove that the extendability of singular positive metrics on a line bundle along a subvariety implies the ampleness of the line bundle.
Coman, Guedj and Zeriahi proved that, for an ample line bundle L on a projective manifold X, any singular positive metric on the line bundle L|V along a subvariety V⊂X can be extended to a global singular positive metric of L. In this talk, we prove that the extendability of singular positive metrics on a line bundle along a subvariety implies the ampleness of the line bundle.
