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arXiv 1901.04031math.ATmath.KT
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数域的代数协边性

Algebraic cobordism of number fields

Jonas Irgens Kylling

摘要:

计算了数域上代数配边的模同伦群、实数和$2$ -整数环上2-完全代数配边的模同伦群以及低虚上同调维数域上模2模Morava $K$ -理论的模同伦群.作为应用,我们将2-整数环的代数配边群的阶与全实交换数域的Dedekind $ζ$ -函数的特殊值联系起来.

英文摘要:

We compute the motivic homotopy groups of algebraic cobordism over number fields, the motivic homotopy groups of 2-complete algebraic cobordism over the real numbers and rings of $2$-integers and the motivic homotopy groups of mod 2 motivic Morava $K$-theory over fields with low virtual cohomological dimension. As an application we relate the order of the algebraic cobordism groups of rings of 2-integers to special values of Dedekind $ζ$-functions of totally real abelian number fields.

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