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Identities for Catalan’s Constant Arising from Integrals Depending on a Parameter
Acta Mathematica Sinica, English Series ( IF 0.7 ) Pub Date : 2020-10-01 , DOI: 10.1007/s10114-020-9451-9
Federica Ferretti , Alessandro Gambini , Daniele Ritelli

In this paper we provide some relationships between Catalan's constant and the $_3{\rm F}_2$ and $_4{\rm F}_3$ hypergeometric functions, deriving them from some parametric integrals. In particular, using the complete elliptic integral of the first kind, we found an alternative proof of a result of Ramanujan for $_3{\rm F}_2$, a second identity related to $_4{\rm F}_3$ and using the complete elliptic integral of the second kind we obtain an identity by Adamchik.

中文翻译:

由依赖于参数的积分产生的加泰罗尼亚常数的恒等式

在本文中,我们提供了加泰罗尼亚常数与 $_3{\rm F}_2$ 和 $_4{\rm F}_3$ 超几何函数之间的一些关系,从一些参数积分推导出它们。特别是,使用第一类的完全椭圆积分,我们找到了拉马努金结果的另一种证明,即 $_3{\rm F}_2$、与 $_4{\rm F}_3$ 相关的第二个恒等式,并使用第二类完全椭圆积分我们通过 Adamchik 得到了一个恒等式。
更新日期:2020-10-01
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