Asymptotic syzygies of algebraic varieties

Asymptotic syzygies of algebraic varieties
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代数簇的渐近共性

DOI:
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发表时间:
2011
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通讯作者:
R. Lazarsfeld
R. Lazarsfeld
中科院分区:
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文献类型:
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作者:
L. Ein;R. Lazarsfeld

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本文研究了光滑射影簇的合轨随嵌入线丛的正性增长的渐近行为。主要结果是断言合合模在几乎所有Castelnuovo-Mumford正则性所允许的度内都是非零的。我们也给了一个有效的声明Veronese品种,我们猜想是最佳的。
We study the asymptotic behavior of the syzygies of a smooth projective variety as the positivity of the embedding line bundle grows. The main result asserts that the syzygy modules are non-zero in almost all degrees allowed by Castelnuovo–Mumford regularity. We also give an effective statement for Veronese varieties that we conjecture to be optimal.