Jackson type estimate for rational approximation for Müntz system {xλn} with λn ↘0(Müntz系统{xλn}(λn↘0）有理逼近的Jackson型估计) av YUDan-sheng(虞旦盛), ZHOUSong-ping(周颂平)

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Jackson estimate of Shepard operators (for λ=1) in Lp spaces(Lp空间Shepard算子(λ=1)逼近的Jackson阶) av WANGJian-li(王建力), YUDan-sheng(虞旦盛), ZHOUSong-ping(周颂平)

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The double higher Lipschitz classes and the double Fourier series(二元高阶Lipschitz函数类和二重Fourier级数) av GUORu-qian(郭汝倩), WEIBao-rong(韦宝荣), YUDan-sheng(虞旦盛)

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On the pointwise estimate for Müntz rational approximation(Müntz有理逼近的点态估计) av YUDan-sheng(虞旦盛), WANGJian-li(王建力), ZHOUSong-ping(周颂平)

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