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分数次Hardy算子的广义交换子在Herz型Hardy空间上的端点估计(英文)

Endpoint Estimates for Generalized Commutators of Fractional Hardy Operators on Herz-type Hardy Space
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摘要 本文证明了分数次Hardy算子广义交换子是Herz型Hardy空间到Herz空间有界的,当且仅当交换子为零算子.因此,本文用了一个弱型估计代替,即交换子由Herz型Hardy空间到弱Herz空间有界. In this paper, we prove that the generalized commutator of fractional Hardy operator HΩ^m,A,β is not bounded from HKq1^n(1-1/q1),p (R^n) to Kq2^n(1-1/q1),p(R^n) unless HΩ^m,A,β≡0. Therefore, we prove a weak estimate instead, that is, HΩ^m,A,β is bounded from HKq1^n(1-1/q1),p (R^n) to WKq2^n(1-1/q1),p (R^n).
出处 《数学进展》 CSCD 北大核心 2015年第6期908-922,共15页 Advances in Mathematics(China)
基金 supported by NSFC(No.11261055,No.11161044,No.10971228) Xinjiang Graduate Research and Innovation(No.2014011)
关键词 分数次Hardy算子 HERZ型HARDY空间 广义交换子 弱HERZ空间 fractional Hardy operators Herz-type Hardy space generalized commutators weak Herz space
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