Projective Dimension and the Singular Locus
Projective Dimension and the Singular Locus
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射影维数和奇异轨迹
DOI:
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
H. Schoutens
中科院分区:
文献类型:
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作者:
H. Schoutens
Abstract For a Noetherian local ring, the prime ideals in the singular locus completely determine the category of finitely generated modules up to direct summands, extensions and syzygies. From this some simple homological criteria are derived for testing whether an arbitrary module has finite projective dimension.