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对数凸函数的几何平均型Hadamard不等式
Geometric Mean-type Hadamard Inequality of Logarithmic Convex Function
【摘要】 考虑对数凸函数的对数凸性,针对对数凸函数的几何平均,利用对数凸函数的Jensen不等式,应用定积分的定义,通过定积分运算,得到了对数凸函数的几何平均型Hadamard不等式,并给出了简单应用.
【Abstract】 According to the geometric mean of logarithmic convex function,the geometric mean-type Hadamard inequality of logarithmic convex function is derived and the simple application is also elicited by considering the logarithmic convexity of logarithmic convex function and applying the Jensen-type inequality of logarithmic convex function as well as the definition and operation of definite integral.
【关键词】 对数凸函数;
Jensen型不等式;
算术平均;
几何平均;
Hadamard不等式;
【Key words】 logarithmic convex function; jensen-type inequality; arithmetic mean; geometric mean; Hadamard-type inequality;
【Key words】 logarithmic convex function; jensen-type inequality; arithmetic mean; geometric mean; Hadamard-type inequality;
【基金】 湖北省高等学校教学研究项目(20060422)
- 【文献出处】 湖南理工学院学报(自然科学版) ,Journal of Hunan Institute of Science and Technology(Natural Sciences) , 编辑部邮箱 ,2011年01期
- 【分类号】O174.13
- 【被引频次】8
- 【下载频次】191