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Articles, 2 records found
Articles 2 records found  
1.
19 p, 186.6 KB Convergence in variable Lebesgue spaces / Cruz-Uribe, David (Trinity College (Estats Units d'Amèrica). Department of Mathematics) ; Fiorenza, Alberto (Università di Napoli. Dipartimento di Costruzioni e Metodi Matematici in Architettura) ; Istituto per le Applicazioni del Calcolo "Mauro Picone". Napoli Consiglio Nazionale delle Ricerche
We consider the relationship in the variable Lebesgue space Lp(·)(Ω) between convergence in norm, convergence in modular, and convergence in measure, for both bounded and unbounded exponent functions.
2010 - 10.5565/PUBLMAT_54210_08
Publicacions matemàtiques, Vol. 54, Núm. 2 (2010) , p. 441-459  
2.
29 p, 243.3 KB Endpoint estimates and weighted norm inequalities for commutators of fractional integrals / Cruz-Uribe, David (Trinity College. Department of Mathematics) ; Fiorenza, Alberto (Universitá di Napoli. Dipartimento di Costruzioni e Metodi Matematici in Architettura)
We prove that the commutator [b, Iα], b ∈ BMO, Iα the fractional integral operator, satisfies the sharp, modular weak-type inequality f(x) tdx, where B(t) = tlog(e + t) and Ψ(t)=[tlog(e + tα/n)]n/(n−α). [...]
2003 - 10.5565/PUBLMAT_47103_05
Publicacions matemàtiques, V. 47 N. 1 (2003) , p. 103-131  

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1 Fiorenza, A.
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