Existence of closed solutions of an equation x=f(t,x), where fx′(t,x) is weakly convex or concave in x

被引：8

作者：

Andersen, KM ^{[1
]}

Sandqvist, A ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Math, DK-2800 Lyngby, Denmark

来源：

关键词：

D O I：

10.1006/jmaa.1998.6171

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

[No abstract available]

引用

页码：480 / 500

页数：21

共 6 条

ANDERSEN, KM ;

SANDQVIST, A .

[2]

ANDERSEN KM, 1993, 199320 TU DENM MATH

[3]

ANDERSEN KM, 1995, DIFFERENTIAL INTEGRA, V8, P717

[4]

EARL A., 1955, THEORY ORDINARY DIFF

[5] LIMIT-CYCLES FOR A CLASS OF ABEL EQUATIONS [J].

GASULL, A ;

LLIBRE, J .

SANDQVIST, A ;

ANDERSEN, KM .