论文标题

关于蜂窝有理近似值$ζ(5)$

On cellular rational approximations to $ζ(5)$

论文作者

Brown, Francis, Zudilin, Wadim

论文摘要

我们分析了某​​种蜂窝积分家族,它们是模量空间上的时期积分$ \ MATHCAL {M} _ {0,8} $零属曲线的$,带有八个标记点,这会导致同时理性的近似值至$ζ(3)$和$ζ(5)$。通过利用大型对称组对这些积分的作用,我们构建了许多有效的有效理性近似值$ p/q $至$ζ(5)$满足\ [0 <\ bigg |ζ(5) - \ frac pq \ big big big big | <\ frac1 {q^{q^{0.86}}}。 \]

We analyse a certain family of cellular integrals, which are period integrals on the moduli space $\mathcal{M}_{0,8}$ of curves of genus zero with eight marked points, which give rise to simultaneous rational approximations to $ζ(3)$ and $ζ(5)$. By exploiting the action of a large symmetry group on these integrals, we construct infinitely many effective rational approximations $p/q$ to $ζ(5)$ satisfying \[ 0<\bigg|ζ(5)-\frac pq\bigg|<\frac1{q^{0.86}}. \]

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