A simple proof of Fiedler's conjecture concerning orthogonal matrices

被引：5

作者：

Shader, BL ^{[1
]}

机构：

[1] Univ Wyoming, Dept Math, Laramie, WY 82071 USA

来源：

ROCKY MOUNTAIN JOURNAL OF MATHEMATICS | 1997年 / 27卷 / 04期

关键词：

D O I：

10.1216/rmjm/1181071872

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We give a simple proof that an n x n orthogonal matrix with n greater than or equal to 2 which cannot be written as a direct sum has at least 4n - 4 nonzero entries.

引用

页码：1239 / 1243

页数：5

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