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双积分算子下调和映照的单叶半径估计

The Estimation of Univalent Radius for Harmonic Mappings under Double Integral Operator
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摘要 研究单位圆盘上的调和映照在一定的规范条件下双积分算子的单叶半径,得到其结论是精确的,并给出其极值函数;之后研究单位圆盘上的调和映照在不同规范条件下双积分算子的单叶半径,得到其结论是渐进精确的. In this paper the single leaf radius of the double integral operator on the unit disk under certain standard conditions was studied.The conclusion was accurate and its extremum function was given.After studying the single leaf radius of the double integral operator on the unit disk,the conclusion was gradual and accurate.
作者 李东征 谢志春 LI Dongzheng;XIE Zhichun(Department of Mathematics,Xiamen Institute of Technology,Xiamen Fujian 361021,China)
出处 《泉州师范学院学报》 2020年第6期34-37,共4页 Journal of Quanzhou Normal University
基金 福建省中青年教师教育科研项目(JAT170807) 厦门工学院科研项目(KY2017004)。
关键词 双积分算子 调和映照 极值函数 单叶半径 double integral operator harmonic mapping landau theorem univalent radius
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