OSCILLATION OF SOLUTIONS OF LINEAR DIFFERENTIAL EQUATIONS

被引:10
|
作者
Chuaqui, Martin [2 ]
Duren, Peter [1 ]
Osgood, Brad [3 ]
Stowe, Dennis [4 ]
机构
[1] Univ Michigan, Dept Math, Ann Arbor, MI 48109 USA
[2] Pontificia Univ Catolica Chile, Fac Matemat, Santiago 22, Chile
[3] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
[4] Idaho State Univ, Dept Math, Pocatello, ID 83204 USA
关键词
linear differential equations; zeros of solutions; oscillation; relative convexity; Sturm comparison theorem; Schwarzian derivative; univalence; CRITERIA;
D O I
10.1017/S0004972708001202
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this note we study the zeros of solutions of differential equations of the form u '' + pu = 0. A criterion for oscillation is found, and some sharper forms of the Sturm comparison theorem are given.
引用
收藏
页码:161 / 169
页数:9
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