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Study of excellent rings and its neighborhood

Study of excellent rings and its neighborhood
优良环及其邻域研究
批准号:
16540032
负责人:
KAWASAKI Takesi
金额:
$2.3万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2004
资助国家:
日本
项目状态:
已结题
起止时间:
2004 至 2006

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中文摘要
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英文摘要
(1) In [K], I gave a necessarily and sufficient condition for a Noetherian ring to have an arithmetic Cohen-Macaulayfication.I refine its construction by introducing a new notion, called p-standard sequences.(2) In [K], computed the depth of the canonical module. I compute local cohomology modules of the canonical module.(3) In 1978, Faltings prove the annihilator theorem. In 1982, he conjectured that the annihilator theorem holds under weaker assumption. I give an affirmative answer to his conjecture.(4) In 1991, Hukene [H] proved the uniform Artin-Rees theorem and the uniform Briancon-Skoda theorem. He also conjectured that these theorem hold under weaker assumption. I give an affirmative answer to [H, Conjecture 2.13] concerning these theorems.[F1] G.Faltings, Ueber die Annulatoren lokaler Kohomologiegruppen, Arch.Math. (Basel) 30 (1978), 473--476.[F2] G.Faltings, Der Endlichkeitssatz in der lokalen Kohomologie, Math.Ann.255 (1981), 45--56.[H] C.Huneke, Uniform bounds in noetherian rings, Invent.Math. 107 (1992), 203--223.[K] T.Kawasaki, Finiteness of Cousin cohomologies.
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Research on integral closure and related topics
  • 批准号:
    21540046
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 资助金额:
    $2.58万
  • 财政年份:
    2009
  • 负责人:
    KAWASAKI Takesi
  • 依托单位:
海外基金