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分数次积分算子的交换子在齐型空间上的弱型估计 被引量:2

Weak Type Estimates for Commutator of Fractional Integrals in Spaces of Homogeneous Type
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摘要 本文研究分数次积分交换子,其中Kα(x,y)=d(x,y)α-1,m∈N且b(x)∈BMO(X,μ),证明了Iα,bm是从Orlicz空间L(log L)m(X)到弱Lq(X)空间的映照.同时还证明了分数次极大算子交换子Mα,bm也有类似性质. In this paper, the authors consider the commutators of fractional integrals defined by Iα,b^mf(x) = f∫XKα(x,y)[b(x)-b(y)]^mf(y)dμ(y), where Kα(x,y)=d(x,y)^α-1,m∈N and b(x) be;pgs tp BMO(X,μ). We prove that Iα,b^m maps the Orlicz space L(log L)^m(X) into weak L^q(X), and so does the fractional maximal commutator Mα,b^m.
出处 《数学学报(中文版)》 SCIE CSCD 北大核心 2006年第5期973-984,共12页 Acta Mathematica Sinica:Chinese Series
基金 国家科委973项目(RC971077) (1999075105) 教育部博士点基金(20030335019)资助
关键词 交换子 分数次积分 齐型空间 commutator fractional integrals homogeneous space
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参考文献12

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同被引文献20

  • 1潘文杰.关于齐型空间上的分数次积分与极大函数的加权模不等式[J].北京大学学报(自然科学版),1990,26(5):543-553. 被引量:11
  • 2江寅生,赵向青.次线性算子在齐型空间上的Herz空间上的有界性(英文)[J].新疆大学学报(自然科学版),2006,23(2):127-136. 被引量:1
  • 3Chanillo S. A note on commutators. Indiana Univ Math J, 1982, 31:7-16.
  • 4Ding Yong, Lu Shanzhen, Zhang Pu. Weak type estimates for commutators for fractional integral operators. Science in China (Set A), 2001, 31:877- 888.
  • 5Cruz-Uribe D, SFO, Fioena A, Napoli. Endpoint estimates and weighted norm inequalities for commutators of fractional integrals. Publ Mat, 2003, 47:103-131.
  • 6Cruz-Uribe D, SFO, Hartford, Fioena A, Napoli. Weighted endpoint estimates for commutators of fractional integrals. Czechodlovak Mathematical Journal, 2007, 57(132): 153-160.
  • 7Chen Wengu, Sawyer E. Endpoint estimates for commutators of singular integrals on spaces of homoge- neous type. J Math Anal Appl, 2003, 282:553-566.
  • 8Sawyer E, Wheeden R L. Weighted inequalities for fractional integrals on euclidean and homogeneous spaces. American Journal of Mathematics, 1992, 114:813-874.
  • 9Loukas Grafakos. Classical and Modern Fourier Analysis. Beijing: China Machine Press, 2005.
  • 10Garcia-Cuerva J, Rubio de Francia J L. Weighted Norm Inequalities and Related Topics. Amsterdam: North-Holland, 1985.

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