Proper local complete intersection morphisms preserve perfect complexes
Proper local complete intersection morphisms preserve perfect complexes
复制标题
正确的局部完全交交态射保留了完美的复合体
DOI:
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发表时间:
2012
期刊:
影响因子:
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通讯作者:
P. Bataillon
中科院分区:
文献类型:
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作者:
B. Toën;P. Bataillon
Let f : X −→ Y be a proper and local complete intersection morphism of schemes. We prove that Rfpreserves perfect complexes, without any projectivity or noetherian assumptions. This provides a different proof of a theorem by Neeman and Lipman (see (Li-Ne)) based on techniques from derived algebraic geometry to proceed a reduction to the noetherian case.