TRIANGULAR TRUNCATION AND FINDING THE NORM OF A HADAMARD MULTIPLIER

被引：29

作者：

ANGELOS, JR ^{[1
]}

COWEN, CC ^{[1
]}

NARAYAN, SK ^{[1
]}

机构：

[1] PURDUE UNIV,DEPT MATH,W LAFAYETTE,IN 47907

来源：

LINEAR ALGEBRA AND ITS APPLICATIONS | 1992年 / 170卷

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0024-3795(92)90414-6

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

For B a fixed matrix, we study the problem of using a criterion of Haagerup to find the norm of the map A --> A . B, where . is the Hadamard or entrywise product of matrices. The techniques developed are applied to triangular truncation, and it is proved that if K(n) is the norm of triangular truncation of n X n matrices, then K(n) /log n --> pi--1.

引用

页码：117 / 135

页数：19

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