多连通区域上的Bloch常数 |
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引用本文: | 龚昇.多连通区域上的Bloch常数[J].数学学报,1957,7(4):513-519. |
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作者姓名: | 龚昇 |
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作者单位: | 中国科学院数学研究所 |
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摘 要: | <正> 本文可以看作1]文的一个应用,在这里将提供一个关于多连通区域的 Bloch 常数的估计的普遍方法.并且特别以于二连通区域的 Bloch 常数进行了具体的估计.
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收稿时间: | 1956-6-21 |
ON THE BLOCH CONSTANT FOR MULTIPLY CONNECTED REGIONS |
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Institution: | KUNG SUN(Institute of Mathematics,Academia Sinica) |
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Abstract: | Let D be a bounded multiply connected region in z-plane.The curvatureof Bergman metric of this region takes the minimum value τ_α at z=α.Let w=f(z)be an analytic function in D with(?),which mapsD onto D_f in w-plane.The object of the present note is to prove that D_f must contain a circlewith radius(?)where T_b is the value of the Bergman metric T of theregion D at z=b.Further,if the function f(z)is simple in D,then D_f mustcontain a circle with radius(?) |
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