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When Cauchy and Holder Met Minkowski: A Tour through Well-Known Inequalities

机译:当柯西和持有人遇见Minkowski:穿越众所周知的不平等现象

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摘要

Many classical inequalities are just statements about the convexity or concavity of certain (hidden) underlying functions. This is nicely illustrated by Hardy, Littlewood, and P6lya [5] whose Chapter III deals with "Mean values with an arbitrary function and the theory of convex functions," and by Steele [12] whose Chapter 6 is called "Convexity-The third pillar." Yet another illustration is the following proof of the arithmetic-mean-geometric-mean inequality (which goes back to P6lya).
机译:许多经典的不等式只是关于某些(隐藏的)潜在函数的凸面或凹面的陈述。 Hardy,Littlewood和P6lya [5]很好地说明了这一点,他们的第三章讨论了“具有任意函数的均值和凸函数的理论”,而斯蒂尔[12]则将其第六章称为“凸性-第三章”。支柱。”另一个例证是算术平均几何平均不等式的以下证明(可追溯到P6lya)。

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