Turán-Type Inequalities for Gaussian Hypergeometric Functions, and Baricz's Conjecture

Song-Liang Qiu, Xiao-Yan Ma, Xue-Yan Xiang
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Abstract

In 2007, \'A. Baricz put forward a conjecture concerning Tur\'an-type inequalities for Gaussian hypergeometric functions (see Conjecture \ref{ConjA} in Section \ref{Sec1}). In this paper, the authors disprove this conjecture with several methods, and present Tur\'an-type double inequalities for Gaussian hypergeometric functions, and sharp bounds for complete and generalized elliptic integrals of the first kind.
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高斯超几何函数的 Turán 型不等式和 Baricz 猜想
2007年,Baricz提出了一个关于高斯超几何函数的Tur\'an-typeinequalities猜想(见第1节中的Conjecture \ref{ConjA})。在本文中,作者用几种方法反证了这一猜想,并提出了高斯超几何函数的 Tur\'an-type 双不等式,以及第一类完全椭圆积分和广义椭圆积分的尖锐边界。
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