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检索条件"主题词=Banach function spaces"
96 条 记 录,以下是11-20 订阅
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Gagliardo-Nirenberg Inequality for rearrangement-invariant banach function spaces
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RENDICONTI LINCEI-MATEMATICA E APPLICAZIONI 2019年 第4期30卷 847-864页
作者: Fiorenza, Alberto Formica, Maria Rosaria Roskovec, Tomas Soudsky, Filip Univ Napoli Federico II Dipartimento Architettura Via Monteoliveto 3 I-80134 Naples Italy CNR Ist Applicaz Calcolo Mauro Picone Via Pietro Castellino 11 I-80131 Naples Italy Univ Napoli Parthenope Via Gen Parisi 13 I-80132 Naples Italy Univ South Bohemia Fac Econ Studentska 13 Ceske Budejovice Czech Republic Czech Tech Univ Fac Informat Technol Thakurova 9 Prague 16000 6 Czech Republic
The classical Gagliardo-Nirenberg interpolation inequality is a well-known estimate which gives, in particular, an estimate for the Lebesgue norm of intermediate derivatives of functions in Sobolev spaces. We present ... 详细信息
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Product factorability of integral bilinear operators on banach function spaces
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POSITIVITY 2019年 第3期23卷 671-696页
作者: Erdogan, E. Sanchez Perez, E. A. Gok, O. Univ Marmara Fac Art & Sci Dept Math TR-34722 Istanbul Turkey Univ Politecn Valencia Inst Univ Matemat Pura & Aplicada Camino Vera S-N E-46022 Valencia Spain Yildiz Tech Univ Fac Art & Sci Dept Math TR-34349 Istanbul Turkey
This paper deals with bilinear operators acting in pairs of banach function spaces that factor through the pointwise product. We find similar situations in different contexts of the functional analysis, including abst... 详细信息
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Polynomial stability of evolution cocycles and banach function spaces
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BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN 2019年 第2期26卷 299-314页
作者: Pham Viet Hai Nanyang Technol Univ Sch Phys & Math Sci Div Math Sci Singapore 637371 Singapore
In this paper, we give characterizations for a polynomial stability in banach spaces. This is done by using evolution cocycles and techniques of banach function spaces. Our characterizations are new versions of the th... 详细信息
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An Alternative Approach to Weighted Non-commutative banach function spaces
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COMPLEX ANALYSIS AND OPERATOR THEORY 2019年 第7期13卷 3207-3218页
作者: Steyn, Claud NWU Sch Math & Stat Sci DST NRF CoE Math & Stat Sci Unit BMI Internal Box 209Pvt Bag X6001 ZA-2520 Potchefstroom South Africa
We use a weighted analogue of a trace to define a weighted non-commutative decreasing rearrangement and show its relationship with the singular value function. We further show an alternative approach to constructing w... 详细信息
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Duality and distance formulas in banach function spaces
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JOURNAL OF ELLIPTIC AND PARABOLIC EQUATIONS 2019年 第1期5卷 1-23页
作者: D'Onofrio, Luigi Sbordone, Carlo Schiattarella, Roberta Univ Napoli Parthenope Naples Italy Univ Napoli Federico II Naples Italy
We consider pairs of non reflexive banach spaces (E-0, E) such that E-0 is defined in terms of a little-o condition and E is defined by the corresponding big-O condition. Under suitable assumptions on the pair (E-0, E... 详细信息
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Bochner representable operators on banach function spaces
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POSITIVITY 2018年 第5期22卷 1303-1309页
作者: Nowak, Marian Univ Zielona Gora Fac Math Comp Sci & Econometr Ul Szafrana 4A PL-65516 Zielona Gora Poland
Let be a banach function space, E the Kothe dual of E and (X, center dot X) be a banach space. It is shown that every Bochner representable operator T : E -> X maps relatively sigma (E, E')-compact sets in E on... 详细信息
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Maximal ergodic inequalities for banach function spaces
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INDAGATIONES MATHEMATICAE-NEW SERIES 2016年 第1期27卷 29-74页
作者: de Beer, Richard Labuschagne, Louis NWU DST NRF CoE Math & Stat Sci Unit BMI Sch Comp Stat & Math Sci Internal Box 209Pvt Bag X6001 ZA-2520 Potchefstroom South Africa
We analyse the Transfer Principle, which is used to generate weak type maximal inequalities for ergodic operators, and extend it to the general case of a-compact locally compact Hausdorff groups acting measure-preserv... 详细信息
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Some s-numbers of an integral operator of Hardy type in banach function spaces
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JOURNAL OF APPROXIMATION THEORY 2016年 207卷 76-97页
作者: Edmunds, David Gogatishvili, Amiran Kopaliani, Tengiz Samashvili, Nino Univ Sussex Dept Math Pevensey 2North South Rd Brighton BN1 9QH E Sussex England Acad Sci Czech Republ Inst Math Zitna 25 CR-11567 Prague 1 Czech Republic I Javakhishvili Tbilisi State Univ Fac Exact & Nat Sci Univ St 2 GE-0143 Tbilisi Georgia
Let s(n)(T) denote the nth approximation, isomorphism, Gelfand, Kolmogorov or Bernstein number of the Hardy-type integral operator T given by T f(x) = v(x) integral(x)(a) u(t) f(t)dt, x is an element of (a, b) (-infin... 详细信息
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Extending and factorizing bounded bilinear maps defined on order continuous banach function spaces
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REVISTA DE LA REAL ACADEMIA DE CIENCIAS EXACTAS FISICAS Y NATURALES SERIE A-MATEMATICAS 2014年 第2期108卷 353-367页
作者: Calabuig, J. M. Fernandez Unzueta, M. Galaz-Fontes, F. Sanchez-Perez, E. A. Univ Politecn Valencia Inst Univ Matemat Pura & Aplicada Valencia 46022 Spain Ctr Invest Matemat Guanajuato 36240 Gto Mexico
We consider the problem of extending or factorizing a bounded bilinear map defined on a couple of order continuous banach function spaces to its optimal domain, i.e. the biggest couple of banach function spaces to whi... 详细信息
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Pointwise products of some banach function spaces and factorization
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JOURNAL OF functionAL ANALYSIS 2014年 第2期266卷 616-659页
作者: Kolwicz, Pawel Lesnik, Karol Maligranda, Lech Poznan Univ Tech Inst Math Elect Fac PL-60965 Poznan Poland Lulea Univ Technol Dept Engn Sci & Math SE-97187 Lulea Sweden
The well-known factorization theorem of Lozanovskii may be written in the form L-1 E circle dot E', where circle dot means the pointwise product of banach ideal spaces. A natural generalization of this problem wou... 详细信息
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