Double integral involving logarithmic and quotient function with powers expressed in terms of the Lerch function

被引:0
|
作者
Reynolds, Robert [1 ]
Stauffer, Allan [1 ]
机构
[1] York Univ, Dept Math & Stat, Fac Sci, Toronto, ON M3J 1P3, Canada
来源
EUROPEAN JOURNAL OF PURE AND APPLIED MATHEMATICS | 2021年 / 14卷 / 04期
关键词
Catalan's constant; Double integral; Apery's constant; Lerch function; Contour integral;
D O I
10.29020/nybg.ejpam.v14i4.4085
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this work the authors use their contour integral method to derive the double integral given by integral(infinity)(0) integral(infinity)(0) x(m-1)y(m+q/2-1) log(k)(axy)/(x(q)+1)(2)(y(q)+1)(2) dxdy in terms of the Lerch function. This integral formula is then used to derive closed solutions in terms of fundamental constants and special functions. There are some useful results relating double integrals of certain kinds of functions to ordinary integrals for which we know no general reference. Thus a table of integral pairs is given for interested readers. All the results in this work are new.
引用
收藏
页码:1337 / 1349
页数:13
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