Essential inequalities for means (Q921134)
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scientific article; zbMATH DE number 4165207
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Essential inequalities for means |
scientific article; zbMATH DE number 4165207 |
Statements
Essential inequalities for means (English)
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1990
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Für Mittelwerte \(M_ 1,...,M_ k\), die für beliebig viele Zahlen eines reellen Intervals I definiert sind, nennt der Verf. die Ungleichung \[ F(M_ 1(x_ 1,...,x_ n),...,M_ k(x_ 1,...,x_ n))\geq 0\text{ (für alle }n\in {\mathbb{N}},\quad x_ j\in I,\quad j=1,...,n) \] wesentlich, wenn aus ihr \(F(u_ 1,...,u_ k)\geq 0\) für alle sinngemäßen \(u_ 1,...,u_ k\) folgt. Ungleichungen zwischen Potenzmitteln und quasiarithmetischen Mitteln werden bezüglich Wesentlichkeit geprüft.
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power means
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quasiarithmetic means
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essential inequalities
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Hahn-Banach- Minkowski separation theorem
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supremum
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