楊玉英
(吉首大學(xué)數(shù)學(xué)與統(tǒng)計學(xué)院,湖南 吉首416000)
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帶有齊次核的多參數(shù)Hilbert型不等式的加強
楊玉英
(吉首大學(xué)數(shù)學(xué)與統(tǒng)計學(xué)院,湖南 吉首416000)
通過引入權(quán)函數(shù),應(yīng)用實分析的技巧,對全平面上具有齊次核Hilbert型積分不等式作了改進(jìn),從而建立了一些新的不等式.
齊次核;權(quán)系數(shù);參數(shù);Hilbert型積分;不等式
(1)
(2)
筆者的目的是利用改進(jìn)的H?lder不等式對(2)式進(jìn)行加強,從而建立一些新的不等式.
證明見文獻(xiàn)[2-3].
引理2若0<α1<α2<π,定義權(quán)函數(shù)ω(y)和?(x)如下:
證明見文獻(xiàn)[1].
為方便起見,再引入一些符號:
(3)
這里Rλ=(Sp(Fα,h)-Sq(Gα,h))2,而
(4)
證明由引理1和引理2,有
即(3)式成立.
接下來討論Rα的表達(dá)式.選取由(4)式所定義的函數(shù)h(x,y),有
由引理1,得
而
所以
Rα<1.
定理1證畢.
注1(3)式即為(2)式的改進(jìn)式.
[1] YANG Bicheng.A Hilbert-Type Integral Inequality in the Whole Plane with the Homogeneous Kernel[J].Journal of Mathematical Inequalities,2013,7(2):289-298.
[2] HE Leping,GAO Mingzhe.A Hilbert Integral Inequality with Hurwitz Zeta Function[J].Journal of Mathematical Inequalities,2013,7(3):377-387.
[3] LIU Tuo,YANG Bicheng,HE Leping.On a Half-Discrete Reverse Mulholland-Type Inequality and an Extension[J]. Journal of Inequalities and Applications,2014(1):103.
(責(zé)任編輯 向陽潔)
Strengthened Multi-Parameter Hilbert-Type Inequality with Homogeneous Kernel
YANG Yuying
(College of Mathematics and Statistics,Jishou University,Jishou 416000,Hunan China)
By introducing the weight function and using the technique of real analysis,an improvement of Hilbert-type integral inequality with homogeneous kernel in the whole plane is given.Some new inequalities are thus established.
homogeneous kernel;weight coefficient;parameter;Hilbert-type integral;inequality
1007-2985(2015)04-0009-03
2014-09-04
楊玉英(1970—),女,湖南靖州人,吉首大學(xué)數(shù)學(xué)與統(tǒng)計學(xué)院副教授,主要從事代數(shù)與幾何研究.
O178
A
10.3969/j.issn.1007-2985.2015.04.003