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math.CA2017
On Bloom type estimates for iterated commutators of fractional integrals
Natalia Accomazzo, Javier C. Martínez-Perales, Israel P. Rivera-Ríos
In this paper we provide quantitative Bloom type estimates for iterated commutators of fractional integrals improving and extending results from a work of Holmes, Rahm and Spencer.…
math.CA2017
Sparse and weighted estimates for generalized Hörmander operators and commutators
Gonzalo H. Ibañez-Firnkorn, Israel P. Rivera-Ríos
In this paper we obtain a pointwise sparse domination for generalized Hörmander operators and also for iterated commutators with those operators. As a particular case of our result…