BUZANO INEQUALITY AND BOUNDS FOR ROOTS OF ALGEBRAIC EQUATIONS

被引:52
作者
FUJII, M [1 ]
KUBO, F [1 ]
机构
[1] TOYAMA UNIV,FAC SCI,DEPT MATH,TOYAMA 930,JAPAN
关键词
NUMERICAL RADIUS COMPANION MATRIX; SCHWARZ INEQUALITY BOUND FOR ROOTS;
D O I
10.2307/2159168
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A new bound for roots of algebraic equations will be given as a consequence of an inequality due to Buzano.
引用
收藏
页码:359 / 361
页数:3
相关论文
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Buzano ML., 1974, REND SEM MAT, V31, P405
[2]  
DVIDSON KR, 1988, MICH MATH J, V35, P261
[3]   OPERATOR NORMS AS BOUNDS FOR ROOTS OF ALGEBRAIC EQUATIONS [J].
FUJII, M ;
KUBO, F .
PROCEEDINGS OF THE JAPAN ACADEMY, 1973, 49 (10) :805-808
[4]  
Horn R.A, 2012, MATRIX ANAL, V2nd ed.
[5]  
MARDEN M, 1960, MATH SURVEY, V3