数学研究
數學研究
수학연구
JOURNAL OF MATHEMATICAL STUDY
2012年
1期
45-53
,共9页
强奇异Calderón—Zygmund奇异积分算子%加权BMO空问%交换子%sharp极大函数
彊奇異Calderón—Zygmund奇異積分算子%加權BMO空問%交換子%sharp極大函數
강기이Calderón—Zygmund기이적분산자%가권BMO공문%교환자%sharp겁대함수
Strong Calderón-Zygmund operator%Weighted BMO(w) space%Commu-tator%Sharp maximal function
研究了由强奇异Calderón-Zygmund算子T和加权BMO(ω)函数b生成的交换子Tb的sharp极大函数的点态估计,证明了这类交换子是由L^[p](μ)到LP(μ)到LP(υ)上的有界算子,其中ω=(μυ^[-1])^[1/P]且μυ∈Ap,1〈P〈∞.
研究瞭由彊奇異Calderón-Zygmund算子T和加權BMO(ω)函數b生成的交換子Tb的sharp極大函數的點態估計,證明瞭這類交換子是由L^[p](μ)到LP(μ)到LP(υ)上的有界算子,其中ω=(μυ^[-1])^[1/P]且μυ∈Ap,1〈P〈∞.
연구료유강기이Calderón-Zygmund산자T화가권BMO(ω)함수b생성적교환자Tb적sharp겁대함수적점태고계,증명료저류교환자시유L^[p](μ)도LP(μ)도LP(υ)상적유계산자,기중ω=(μυ^[-1])^[1/P]차μυ∈Ap,1〈P〈∞.
This paper is concerned with the pointwise estimates for the sharp maximal function of commutator Tb, which generalized by BMO(w) function b and strong CalderSn- Zygmund operator T, and shows that the commutator Tb is bounded from LP(μ) to LP(υ), where ω=(μυ^[-1])^[1/P]and μυ∈Ap,1〈P〈∞.