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arXiv 1807.04747math.NT
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精化对称多重zeta值的双混洗关系

Double shuffle relations for refined symmetric multiple zeta values

Minoru Hirose

摘要:

对称多重zeta值(SMZV)是所有多重zeta值模由Kaneko-Zagier引入的$ζ(2)$生成的理想作为有限多重zeta值的对应物的环中的元素。已知对称多重zeta值满足双重洗牌关系和对偶关系。在本文中,我们构造了SMZVs的某些提升,这些SMZVs生活在由所有多重zeta值和$2πi$生成的环中,作为$\mathbb{P}^{1}\setminus\{0,1,\infty\}$上沿着某条闭路的某些迭代积分。我们将此提升值称为精细对称多重zeta值(RSMZVs)。我们显示双重洗牌关系和对偶关系的RSMZVs。这些关系是SMZV的双重洗牌关系和对偶关系的改进。此外,我们比较RSMZVs升降机的SMZVs的其他变种。特别地,我们证明了RSMZVs与Bachmann-Takeyama-Tasaka的$ξ$ -值一致。

英文摘要:

Symmetric multiple zeta values (SMZVs) are elements in the ring of all multiple zeta values modulo the ideal generated by $ζ(2)$ introduced by Kaneko-Zagier as counterparts of finite multiple zeta values. It is known that symmetric multiple zeta values satisfy double shuffle relations and duality relations. In this paper, we construct certain lifts of SMZVs which live in the ring generated by all multiple zeta values and $2πi$ as certain iterated integrals on $\mathbb{P}^{1}\setminus\{0,1,\infty\}$ along a certain closed path. We call this lifted values as refined symmetric multiple zeta values (RSMZVs). We show double shuffle relations and duality relations for RSMZVs. These relations are refinements of the double shuffle relations and the duality relations of SMZVs. Furthermore we compare RSMZVs to other variants of lifts of SMZVs. Especially, we prove that RSMZVs coincide with Bachmann-Takeyama-Tasaka's $ξ$-values.

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