RationalizeRoots: Software Package for the Rationalization of Square Roots

RationalizeRoots: Software Package for the Rationalization of Square Roots
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RationalizeRoots:平方根有理化软件包

DOI:
10.1016/j.cpc.2020.107197
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发表时间:
2019
期刊:
ArXiv
影响因子:
--
通讯作者:
S. Weinzierl
S. Weinzierl
中科院分区:
--
文献类型:
--
作者:
M. Besier;P. Wasser;S. Weinzierl

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费曼积分的计算经常涉及平方根。一种获得多重多项式的解的方法是通过适当的变量变换使这些平方根合理化。我们提出了一个程序,可以用来找到这样的转换。在介绍了理论背景之后,我们详细解释了如何在实践中使用该程序。程序摘要程序标题:RealizeRoots程序文件doi:http://dx.doi.org/10.17632/gbcc9z9tdb.1Licensing条款:GNU通用公共许可证3编程语言:Mathematica,Maple问题性质:费曼积分的解析解对于高能粒子物理中精确的理论预测至关重要。这些积分的计算通常涉及需要通过适当的变量transformation.Solution方法合理化的平方根:适当的变量变化给定的平方根构造参数化的代数超曲面与这些平方根的线族。
The computation of Feynman integrals often involves square roots. One way to obtain a solution in terms of multiple polylogarithms is to rationalize these square roots by a suitable variable change. We present a program that can be used to find such transformations. After an introduction to the theoretical background, we explain in detail how to use the program in practice.Program summaryProgram title:RationalizeRootsProgram files doi:http://dx.doi.org/10.17632/gbcc9z9tdb.1Licensing provisions:GNU General Public License 3Programming language:Mathematica, MapleNature of problem:Analytic solutions for Feynman integrals are critical for accurate theoretical predictions in high energy particle physics. The computation of these integrals often involves square roots that need to be rationalized via suitable variable transformations.Solution method:Appropriate variable changes for given square roots are constructed by parametrizing algebraic hypersurfaces associated to these square roots by families of lines.
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影响因子: 5.4
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