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arXiv 1509.08400math.NT
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虚二次域上多重Dedekind Zeta值的混洗积

Shuffle Product for Multiple Dedekind Zeta Values over Imaginary Quadratic Fields

Michael Dotzel, Ivan Horozov

摘要:

第二作者最近定义了多个Dedekind zeta值。在另一篇论文中,第二作者在某些情况下构建了双重洗牌关系,以回答理查德·海恩和亚历山大·贡恰罗夫提出的问题。在本文中,我们开发的技术,以获得更多的洗牌关系,并产生了许多例子的洗牌产品在一个虚二次域。我们还定义了(多个)戴德金zeta值的自洗牌的概念,并在许多情况下使用它。我们定义了一个细化的多个戴德金zeta值。我们的关键例子是2和3处的戴德金zeta的自洗牌,2倍于自身的戴德金zeta的洗牌产品,以及2倍于3处的戴德金zeta的戴德金zeta的洗牌产品。我们得到了一个意想不到的结果,即多重Dedekind zeta在(1,2)处的自混洗减去扭曲(具有置换)多重Dedekind zeta值在(1,2)处的自混洗是一个非常简单的表示形式。

英文摘要:

Multiple Dedekind zeta values were recently defined by the second author. In a separate paper, the second author constructed double shuffle relations in some cases as a response to questions asked by Richard Hain and Alexander Goncharov. In this paper, we develop the technique for obtaining more shuffle relations and produce many examples of shuffle products over an imaginary quadratic field. We also define the notion of self shuffle of a (multiple) Dedekind zeta value and use it at many instances. We define a refinement of the multiple Dedekind zeta values. Our key examples are self shuffles of the Dedekind zeta at 2 and at 3, the shuffle product of the Dedekind zeta of 2 times itself, and the shuffle product of the Dedekind zeta at 2 times the Dedekind zeta at 3. We obtain one unexpected result that the self shuffle of multiple Dedekind zeta at (1,2) minus the self shuffle of the twisted (with a permutation) multiple Dedekind zeta value at (1,2) is a very simple expression in terms of the refined multiple Dedekind zeta values.

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