Absence of Positive Roots of Complex Cubic and Quartic Polynomials

被引：0
|
作者：
Cheng, Sui Sun [1 ]
Huang, Sho Yuan [1 ]
机构：
[1] Natl Tsing Hua Univ, Dept Math, Hsinchu 30043, Taiwan
来源：
SOUTHEAST ASIAN BULLETIN OF MATHEMATICS | 2012年 / 36卷 / 05期
关键词：
Cubic polynomial; Quartic polynomial; Nonpositive root; Characteristic region; Level set;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Given general cubic and quartic polynomials with complex coefficients, necessary and sufficient conditions are found so that no positive roots can exist.
引用
收藏
页码：619 / 629
页数：11
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