SYSTEMS-DISCONJUGACY OF A FOURTH-ORDER DIFFERENTIAL EQUATION WITH A MIDDLE TERM

被引：0

作者：

Ben Amara, Jamel ^{[1
]}

机构：

[1] Univ Tunis El Manar, Fac Sci Tunis, Tunis, Tunisia

来源：

ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS | 2016年

关键词：

Fourth-order boundary value problems; system-conjugate points; subwronskians; comparison theorems; SELF-ADJOINT; ORDER;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Systems-conjugate points were introduced and studied by Barrett [3] in relation with the self-adjoint fourth order differential equation (r(x)y '')'' - (q(x)y')' = p(x)y, where r(x) > 0, p(x) > 0 and q equivalent to 0. In this paper we extend some of his results to more general cases, when q(x) is free of sign restrictions.

引用

页数：11

共 39 条

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