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[null,"1.","Record Nr.",null,"UNINA9910953756803321"]
[null,null,"Autore",null,"Kolomoitsev Yurii"]
[null,null,"Titolo",null,"Hardy-Littlewood and Ulyanov Inequalities"]
[null,null,"Pubbl/distr/stampa",null,"Providence : , : American Mathematical Society, , 2021"]
[{"$nulls":4},"©2021"]
[null,null,"ISBN",null,"9781470466282"]
[{"$nulls":4},"1470466287"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (132 pages)"]
[null,null,"Collana",null,"Memoirs of the American Mathematical Society ; ; v.271"]
[null,null,"Classificazione",null,"41A6342B1526D1046E3526A3341A1726C0541A10"]
[null,null,"Disciplina",null,"515/.26"]
[null,null,"Soggetti",null,"Inequalities (Mathematics)"]
[{"$nulls":4},"Hardy-Littlewood method"]
[{"$nulls":4},"Smoothness of functions"]
[{"$nulls":4},"Approximations and expansions -- Approximations and expansions -- Multidimensional problems"]
[{"$nulls":4},"Harmonic analysis on Euclidean spaces -- Harmonic analysis in several variables -- Multipliers"]
[{"$nulls":4},"Real functions -- Inequalities -- Inequalities involving derivatives and differential and integral operators"]
[{"$nulls":4},"Functional analysis -- Linear function spaces and their duals -- Sobolev spaces and other spaces of \"smooth'' functions, embedding theorems, trace theorems"]
[{"$nulls":4},"Real functions -- Functions of one variable -- Fractional derivatives and integrals"]
[{"$nulls":4},"Approximations and expansions -- Approximations and expansions -- Inequalities in approximation (Bernstein, Jackson, Nikol'skiĭ-type inequalities)"]
[{"$nulls":4},"Real functions -- Polynomials, rational functions -- Polynomials: analytic properties, etc"]
[{"$nulls":4},"Approximations and expansions -- Approximations and expansions -- Approximation by polynomials"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","\"May 2021, volume 271, number 1325 (second of 7 numbers).\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Auxiliary results -- Polynomial inequalities of Nikolʹskii-Stechkin-Boas-types -- Basic properties of fractional moduli of smoothness -- Hardy-Littlewood-Nikolʹskii inequalities for trigonometric polynomials -- General form of the Ulyanov inequality for moduli of smoothness, K-functionals, and their realizations -- Sharp Ulyanov inequalities for K-"]
[{"$nulls":4},"functionals and realizations -- Sharp Ulyanov inequalities for moduli of smoothness -- Sharp Ulyanov inequalities for realizations of K-functionals related to Riesz derivatives and corresponding moduli of smoothness -- Sharp Ulyanov inequality via Marchaud inequality -- Sharp Ulyanov and Kolyada inequalities in Hardy spaces -- (Lp, Lq) inequalities of Ulyanov-type involving derivatives -- Embedding theorems for function spaces."]
[null,null,null,"Sommario/riassunto","\"We give the full solution of the following problem: obtain sharp inequalities between the moduli of smoothness f, t)q and (f, t)p for 0 < p < q . A similar problem for the generalized K-functionals and their realizations between the couples (Lp,W p ) and (Lq,W q ) is also solved\"--"]
[null,"2.","Record Nr.",null,"UNIORUON00497087"]
[null,null,"Titolo",null,"Ocho siglos de poesia catalana : antologia bilingue / seleccion y prologo de J. M. Castellet y Joaquim Molas"]
[null,null,"Pubbl/distr/stampa",null,"Madrid, : Alianza, c1969"]
[null,null,"Descrizione fisica",null,"554 p. ; 18 cm."]
[null,null,"Disciplina",null,"849.9"]
[null,null,"Soggetti",null,"Letteratura catalana - Studi"]
[null,null,"Lingua di pubblicazione",null,"Catalano"]
[{"$nulls":4},"Spagnolo"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]