| 四边形的模与本质边界点 |
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| 引用本文： | 陈纪修,朱华成,梁向前.四边形的模与本质边界点[J].数学年刊A辑(中文版),2002(2). |
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| 作者姓名： | 陈纪修 朱华成 梁向前 |
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| 作者单位： | 复旦大学数学研究所非线性数学模型与方法教育部重点实验室，复旦大学数学研究所非线性数学模型与方法教育部重点实验室，复旦大学数学研究所非线性数学模型与方法教育部重点实验室 上海 ２００４３３，上海 ２００４３３，上海 ２００４３３ |
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| 基金项目： | 国家自然科学基金资助的项目 |
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| 摘 要： | 本文研究了单位圆周上一类具有本质边界点的拟对称同胚,证明了它的极值拟共形延拓的最大伸缩商等于曲边四边形模之比的上确界．
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| 关 键 词： | 拟对称同胚 本质边界点 四边形的模 |
MODULI OF QUADRILATERALS AND SUBSTANTIAL POINTS |
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| CHEN Jixiu ZHU Huacheng LIANG XiangqianDpeartment of Mathematics and Institute of Mathematics,Fudan University.MODULI OF QUADRILATERALS AND SUBSTANTIAL POINTS[J].Chinese Annals of Mathematics,2002(2). |
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| Authors: | CHEN Jixiu ZHU Huacheng LIANG XiangqianDpeartment of Mathematics and Institute of Mathematics Fudan University |
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| Institution: | CHEN Jixiu ZHU Huacheng LIANG XiangqianDpeartment of Mathematics and Institute of Mathematics,Fudan University. Shanghai 200433. China. |
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| Abstract: | A family of quasisymmetric homeomorphisms with substantial points is proved to have the property that the extremal maximal dilatation is equal to the supremum of the ratios of the moduli of quadrilaterals. |
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| Keywords: | Quasisymmetric homeomorphism Substantial point Modulus of quadrilateral |
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