Results 91 to 100 of about 4,638,257 (255)
The Hankel operators and noncommutative BMO spaces [PDF]
Annals of Functional Analysis, 2016 Let M be a von Neumann algebra with a faithful normal semifinite trace τ. The noncommutative Hardy space Hp(M) associates with A, which is a subdiagonal algebra of M. We define the Hankel operator Ht on Hp(M), and we obtain that the norm ‖Ht‖ is equal to d(t;A) and is also the equivalent of the BMO(Msa) norm of t for every t∈M, where Msa are the self ...
openaire +3 more sources
Progress and Perspectives in 2D Piezoelectric Materials for Piezotronics and Piezo‐Phototronics
Advanced Science, Volume 12, Issue 24, June 26, 2025.This review examines advancements in 2D materials, focusing on their applications in piezotronics and piezo‐phototronics. It discusses key materials like TMDs, h‐BN, and phosphorene, highlighting their unique mechanical, electronic, and optical properties.
Fengyi Pang +6 more
wiley +1 more source
Riesz potential and its commutators on Orlicz spaces
Journal of Inequalities and Applications, 2017 In the present paper, we shall give necessary and sufficient conditions for the strong and weak boundedness of the Riesz potential operator I α $I_{\alpha}$ on Orlicz spaces. Cianchi (J. Lond. Math. Soc.
Vagif S Guliyev +2 more
doaj +1 more source
BMO-Boundedness of Maximal Operators and g-Functions Associated with Laguerre Expansions
Journal of Function Spaces and Applications, 2012 Let {𝜑𝛼𝑛}𝑛∈ℕ be the Laguerre functions of Hermite type with index 𝛼. These are eigenfunctions of the Laguerre differential operator 𝐿𝛼=1/2(−𝑑2/𝑑𝑦2+𝑦2+1/𝑦2(𝛼2−1/4)). In this paper, we investigate the boundedness of the Hardy-Littlewood maximal function,
Li Cha, Heping Liu
doaj +1 more source
Journal of the International AIDS Society, Volume 28, Issue S1, June 2025.Abstract Introduction In Mozambique, post‐exposure prophylaxis (PEP) to prevent HIV is offered as part of the essential package of post‐violence care services at 1450 health facilities. However, HIV PEP access and adherence continue to be a challenge. Healthcare providers were interviewed to identify and synthesize their recommendations for improving ...
Meghan Duffy +11 more
wiley +1 more source
Journal of Function Spaces, 2017 We define the new central Morrey space with variable exponent and investigate its relation to the Morrey-Herz spaces with variable exponent. As applications, we obtain the boundedness of the homogeneous fractional integral operator TΩ,σ and its ...
Hongbin Wang, Jiajia Wang, Zunwei Fu
doaj +1 more source
Two weight estimates for a class of (p, q) type sublinear operators and their commutators
Open Mathematics, 2019 In the present paper, the authors investigate the two weight, weak-(p, q) type norm inequalities for a class of sublinear operators 𝓣γ and their commutators [b, 𝓣γ] on weighted Morrey and Amalgam spaces.
Yunpeng Hu, Jiang Zhou, Yonghui Cao
doaj +1 more source
On the Jackson type inequality in the dyadic BMO space
Моделирование и анализ информационных систем, 2009 In this paper the direct theorem of the approximation theory for functions from the dyadic Besov space is proved. Together with the inverse theorem, it allows to solve an interpolation problem between dyadic BMO and the dyadic Besov space.
I. P. Irodova
doaj
Boundedness of homogeneous fractional integral operator on Morrey space
Journal of Inequalities and Applications, 2016 For 0 < α < n ...
Siying Meng, Yanping Chen
doaj +1 more source
Results in Applied MathematicsAn RD-space X is a space of homogeneous type in the sense of Coifman and Weiss with the extra property that a reverse doubling property holds in X.
Suixin He, Shuangping Tao
doaj +1 more source