A note on Tchakaloff's theorem

被引：48

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

页码：2409 / 2414

页数：6

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