A note on Tchakaloff's theorem

被引：47
|
作者：
Putinar, M
机构：
来源：
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY | 1997年 / 125卷 / 08期
关键词：
D O I：
10.1090/S0002-9939-97-03862-8
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A classical result of Tchakaloff on the existence of exact quadrature formulae up to a given degree is extended to positive measures without compact support. A criterion for the existence of Gaussian quadratures for a class of such measures is also derived from the main proof.
引用
收藏
页码：2409 / 2414
页数：6
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