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arXiv 1710.03397math.CA
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矩阵权重的两个权重碰撞条件

Two weight bump conditions for matrix weights

David Cruz-Uribe, Joshua Isralowitz, Kabe Moen

摘要:

本文将双权理论、$A_p$凸点条件推广到矩阵权的设定。证明了分数次极大算子、分数次积分和奇异积分、稀疏算子和平均算子的两个矩阵权不等式。作为应用,我们证明了定量的,一个重量估计,在矩阵$A_p$常数,奇异积分,并证明了庞加莱不等式的研究中出现的退化椭圆偏微分方程。

英文摘要:

In this paper we extend the theory of two weight, $A_p$ bump conditions to the setting of matrix weights. We prove two matrix weight inequalities for fractional maximal operators, fractional and singular integrals, sparse operators and averaging operators. As applications we prove quantitative, one weight estimates, in terms of the matrix $A_p$ constant, for singular integrals, and prove a Poincaré inequality related to those that appear in the study of degenerate elliptic PDEs.

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