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arXiv 1705.02493math.CA
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超几何函数的Stieltjes和拉普拉斯变换表示的应用

Applications of the Stieltjes and Laplace transform representations of the hypergeometric functions

D. B. Karp, E. G. Prilepkina

摘要:

在我们以前的工作中,我们发现了对广义超几何函数的参数施加的充分条件,以便它是完全单调的或Stieltjes类。在本文中,我们收集了一些这些性质的后果。特别地,我们找到了广义超几何函数的新的整表示,计算了它们乘积的积分,计算了广义超几何函数在分支割上的跳和平均值,建立了该函数在半平面Re(z)<1上的新的不等式.此外,我们还讨论了绝对单调函数的整表示,并给出了一个关于Gamma比乘积的有限和作为Meijer G函数的积分的奇异公式.

英文摘要:

In our previous work we found sufficient conditions to be imposed on the parameters of the generalized hypergeometric function in order that it be completely monotonic or of Stieltjes class. In this paper we collect a number of consequences of these properties. In particular, we find new integral representations of the generalized hypergeometric functions, evaluate a number of integrals of their products, compute the jump and the average value of the the generalized hypergeometric function over the branch cut, establish new inequalities for this function in the half plane Re(z)<1. Furthermore, we discuss integral representations of absolutely monotonic functions and present a curious formula for a finite sum of products of gamma ratios as an integral of Meijer's G function.

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