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arXiv 1109.3786math.NT
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双zeta值之间的周期多项式关系

Period polynomial relations between double zeta values

Samuel Baumard, Leila Schneps

摘要:

双混洗李代数$\mathfrak{ds}$中的偶权周期多项式关系由Ihara发现,并由第二作者通过将其与$\mathrm{SL}_2(\mathbb{Z})$上的尖点形式相关联的限制偶周期多项式相联系而完全分类。在同一年发表的一篇文章中,Gangl,Kaneko和Zagier展示了某些线性组合的奇数分量双zeta值等于标量倍数的简单zeta值在偶数重量,也涉及到他们的限制甚至周期多项式。在本文中,我们将这两组关系联系起来,说明它们如何通过对偶性相互推导。

英文摘要:

The even weight period polynomial relations in the double shuffle Lie algebra $\mathfrak{ds}$ were discovered by Ihara, and completely classified by the second author by relating them to restricted even period polynomials associated to cusp forms on $\mathrm{SL}_2(\mathbb{Z})$. In an article published in the same year, Gangl, Kaneko and Zagier displayed certain linear combinations of odd-component double zeta values which are equal to scalar multiples of simple zeta values in even weight, and also related them to restricted even period polynomials. In this paper, we relate the two sets of relations, showing how they can be deduced from each other by duality.

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