A formula for inserting point masses

被引:3
|
作者
Wong, Manwah Lilian [1 ]
机构
[1] CALTECH, Pasadena, CA 91125 USA
关键词
Point masses; Decay of Verblunsky coefficients;
D O I
10.1016/j.cam.2009.02.052
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let d mu be a probability measure on the unit circle and d nu be the measure formed by adding a pure point to d mu. We give a formula for the Verblunsky coefficients of d nu, based on a result of Simon. (C) 2009 Elsevier B.V. All rights reserved.
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页码:852 / 855
页数:4
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