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arXiv 2010.08889cs.SC
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多重和的创造性伸缩

Creative Telescoping on Multiple Sums

Christoph Koutschan, Elaine Wong

摘要:

我们展示了一系列实用的策略来处理通过准蒙特卡罗方法得出的积分估计分析所产生的问题。这个问题减少到一个三重二项式和,从而使我们能够打开完整的工具包,其中包含的工具,如创造性的伸缩,可以用来推导出满足的总和递归。在应用这些技术时,出现了一系列问题,部分需要手工解决。换句话说,目前还不存在可以自动解决所有这些问题的创造性伸缩实现。因此,我们觉得有必要汇编我们尝试过的不同策略以及我们在此过程中遇到的困难。特别是,我们强调了证书在这些计算中的必要性,以及它的复杂性如何极大地影响计算时间。

英文摘要:

We showcase a collection of practical strategies to deal with a problem arising from an analysis of integral estimators derived via quasi-Monte Carlo methods. The problem reduces to a triple binomial sum, thereby enabling us to open up the holonomic toolkit, which contains tools such as creative telescoping that can be used to deduce a recurrence satisfied by the sum. While applying these techniques, a host of issues arose that partly needed to be resolved by hand. In other words, no creative telescoping implementation currently exists that can resolve all these issues automatically. Thus, we felt the need to compile the different strategies we tried and the difficulties that we encountered along the way. In particular, we highlight the necessity of the certificate in these computations and how its complexity can greatly influence the computation time.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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