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AuthorKwong, Man Kam. author
TitleNorm Inequalities for Derivatives and Differences [electronic resource] / by Man Kam Kwong, Anton Zettl
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 1992
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Descript VIII, 152 p. online resource


Norm inequalities relating (i) a function and two of its derivatives and (ii) a sequence and two of its differences are studied. Detailed elementary proofs of basic inequalities are given. These are accessible to anyone with a background of advanced calculus and a rudimentary knowledge of the Lp and lp spaces. The classical inequalities associated with the names of Landau, Hadamard, Hardy and Littlewood, Kolmogorov, Schoenberg and Caravetta, etc., are discussed, as well as their discrete analogues and weighted versions. Best constants and the existence and nature of extremals are studied and many open questions raised. An extensive list of references is provided, including some of the vast Soviet literature on this subject


Unit weight functions -- The norms of y,y?,y? -- Weights -- The difference operator

Mathematics Functions of real variables Mathematics Real Functions


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