期刊目錄列表 - 21~30期(1976-1985) - 第二十七期 (1982)
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環面殼的模的估計
作者:黃文達(國立臺灣師範大學理學院數學系)
摘要:
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Journal directory listing - Volume 21-30 (1976-1985) - Volume 27 (1982)
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Estimates for the Modulus of a Torus Shell
Author: Wen-Dar Hwang(Department of Mathematics College of Sciences )
Abstract:
Let D (a,b) be a torus shell, it is generated by revolving an open plane circular ring R(a, b)={(x,y)|1≦(x-a)2+y2≦b2},where 1<b<a, about y axis. The main results of this study are as follow:
(1) The modulus of torus shell D (a,b) is
(2)Discuss the upper bound and lower bound of the coefficient of quasiconformal mapping between two special Torus shells.