An extension of the trace map

An extension of the trace map
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轨迹图的扩展

DOI:
10.1016/0022-4049(84)90094-x
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发表时间:
1984
影响因子:
0.8
通讯作者:
E. Garel
E. Garel
中科院分区:
数学2区
文献类型:
--
作者:
E. Garel

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设R是环,A*B是局部有限环,本文的目的是推广自由完全交R-态射。通常将TrB,A:BD映射到De Rham复合体之间的零度齐次A-线性复态射@B/A:Q&R-Q2$R。这个态射将证明下列性质:(I)@B/A是一个%b?-线性态射(注意oB/A是A-lincsr).(2)设B-+C是完全交的另一个有限局部自由R-态射,则oc/A=oE/A0@c/B.
Let R be a ring, A* B a finite locally; aim of this article is to extend the free complete intersection R-morphism. The usual map trB, A: Bd to a zero degree homogeneous A-linear complex morphism@ B/A: Q&R-Q2 $ R between the De Rham complexes. This morphism will verify the following properties:(I)@ B/A is a% b?- linear morphism (note that oB/A is A-lincsr).(2) Let B-+ C be another finite locally free R-morphism of complete intersectioln, then oc/A= oe/A 0@ c/B.