Motives over simplicial schemes

Motives over simplicial schemes
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简单方案的动机

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发表时间:
2008
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通讯作者:
V. Voevodsky
V. Voevodsky
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作者:
V. Voevodsky

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本文在一个简单格式上定义了动机的三角化范畴。该类中Tate对象之间的态射计算了底层方案的动机上同调。在最后一节中,我们考虑了“嵌入”简单格式的特殊情况,它对应于常数束的子束,并且自然地出现在动机上同调的下降问题中,如Bloch-Kato猜想。
In this paper we define the triangulated category of motives over a simplicial scheme. The morphisms between the Tate objects in this category compute the motivic cohomology of the underlying scheme. In the last section we consider the special case of "embedded" simplicial schemes, which correspond to the subsheaves of the constant sheaf and naturally appear in the descent problems for motivic cohomology such as the Bloch-Kato conjecture.