Periodic Boundary Value Problems for a C
โ
Xinzhi Liu; Dajun Guo
๐
Article
๐
1997
๐
Elsevier Science
๐
English
โ 263 KB
This paper investigates periodic boundary value problems for a class of secondorder nonlinear impulsive integro-differential equations of mixed type in a Banach space. By establishing a comparison result, criteria on the existence of maximal and minimal solutions are obtained.