Results 41 to 50 of about 1,610 (98)

Littlewood‐Paley characterization for Campanato spaces

open access: yesJournal of Function Spaces, Volume 4, Issue 2, Page 193-220, 2006., 2006
The Littlewood‐Paley characterization for the local approximation Campanato spaces Lpα is well known in the cases α ≥ 0 and α=−np. We give in this paper a characterization of such a type for L2α spaces (and for Morrey‐Campanato spaces L2,λ) for any α≥−n2.
Azzeddine El Baraka, Hans Triebel
wiley   +1 more source

Boundedness of multilinear operators on Triebel‐Lizorkin spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 5, Page 259-271, 2004., 2004
The purpose of this paper is to study the boundedness in the context of Triebel‐Lizorkin spaces for some multilinear operators related to certain convolution operators. The operators include Littlewood‐Paley operator, Marcinkiewicz integral, and Bochner‐Riesz operator.
Liu Lanzhe
wiley   +1 more source

Regularity for commutators of the local multilinear fractional maximal operators

open access: yesAdvances in Nonlinear Analysis, 2020
In this paper we introduce and study the commutators of the local multilinear fractional maximal operators and a vector-valued function b⃗ = (b1, …, bm). Under the condition that each bi belongs to the first order Sobolev spaces, the bounds for the above
Zhang Xiao, Liu Feng
doaj   +1 more source

Boundedness of vector-valued sublinear operators on weighted Herz-Morrey spaces with variable exponents

open access: yesOpen Mathematics, 2021
If vector-valued sublinear operators satisfy the size condition and the vector-valued inequality on weighted Lebesgue spaces with variable exponent, then we obtain their boundedness on weighted Herz-Morrey spaces with variable exponents.
Wang Shengrong, Xu Jingshi
doaj   +1 more source

Continuity for some multilinear operators of integral operators on Triebel‐Lizorkin spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 38, Page 2039-2047, 2004., 2004
The continuityfor some multilinear operators related to certain fractional singular integral operators on Triebel‐Lizorkin spaces is obtained. The operators include Calderon‐Zygmund singular integral operator and fractional integral operator.
Liu Lanzhe
wiley   +1 more source

Some estimates for the commutators of multilinear maximal function on Morrey-type space

open access: yesOpen Mathematics, 2021
In this paper, we study the equivalent conditions for the boundedness of the commutators generated by the multilinear maximal function and the bounded mean oscillation (BMO) function on Morrey space.
Yu Xiao, Zhang Pu, Li Hongliang
doaj   +1 more source

Rough singular integrals on product spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 67, Page 3671-3684, 2004., 2004
We study the mapping properties of singular integral operators defined by mappings of finite type. We prove that such singular integral operators are bounded on the Lebesgue spaces under the condition that the singular kernels are allowed to be in certain block spaces.
Ahmad Al-Salman, Hussain Al-Qassem
wiley   +1 more source

A note on maximal operators related to Laplace-Bessel differential operators on variable exponent Lebesgue spaces

open access: yesOpen Mathematics, 2021
In this paper, we consider the maximal operator related to the Laplace-Bessel differential operator (BB-maximal operator) on Lp(⋅),γ(Rk,+n){L}_{p\left(\cdot ),\gamma }\left({{\mathbb{R}}}_{k,+}^{n}) variable exponent Lebesgue spaces.
Kaya Esra
doaj   +1 more source

Marcinkiewicz integrals along subvarieties on product domains

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 72, Page 4001-4011, 2004., 2004
We study the Lp mapping properties of a class of Marcinkiewicz integral operators on product domains with rough kernels supported by subvarieties.
Ahmad Al-Salman
wiley   +1 more source

Boundedness for multilinear Marcinkiewicz operators on certain Hardy spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2003, Issue 2, Page 87-96, 2003., 2003
The boundedness for the multilinear Marcinkiewicz operators on certain Hardy and Herz‐Hardy spaces are obtained.
Liu Lanzhe
wiley   +1 more source

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