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从L^p(R_+~n,ω(x))到L^p(R_+~m)的Hardy型奇异积分算子的(p,p)型范数 被引量:2

On the(p,p) Type Norm of Hardy's Type Singular Integral Operator from L^p(R_+~n,ω(x)) to L^p(R_+~m)
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摘要 设‖x‖λ=(x1λ+xλ2+…+xλn)1/λ(x∈Rn+),ω(x)是非负可测函数,定义带参数r的从Lp(Rn+,ω(x))到Lp(Rm+)的Hardy型奇异积分算子Tr:Tr(f)(y)=‖y‖1λr∫xλ≤yλf(x)dx,x∈Rn+,y∈Rm+.利用权函数方法,讨论了Tr的(p,p)型范数,并得到其范数的参数表达式. Suppose ‖x‖λ=(x1^λ+x2^λ+…+xn^λ)^1/λ(x∈Rn^+),ω(x)≥0 is a measurable function,Hardy s type singular integral operator Tr with parameter r from L^p(R+^n,ω(x)toL^p(R+^m)is defined as Tr(f)(y)=1/‖y‖λ^r∫‖x‖λ≤‖y‖λf(x)dx,x∈Rn^+,y∈Rm^+ type norm of operator Tr is obtained by estimating the weight function.
作者 洪勇
出处 《吉林大学学报(理学版)》 CAS CSCD 北大核心 2009年第6期1130-1134,共5页 Journal of Jilin University:Science Edition
基金 广东省自然科学基金(批准号:06301003)
关键词 Hardy型奇异积分算子 (p p)型范数 Γ函数 Hardy s type singular integral operator (p p) type norm Γ-function
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