An Yukun

Savoirs

Existence of positive solutions to periodic boundary value problems with sign-changing Green's function

Zhong Shengren, An Yukun, An

Savoirs

Existence and multiplicity of positive solutions for a nonlocal differential equation

Wang Yunhai, Wang Fanglei, An Yukun, An

Savoirs

Existence and multiplicity of solutions for a fourth-order elliptic equation

Wang Fanglei, An Yukun, An

Savoirs

Multiple positive doubly periodic solutions for a singular semipositone telegraph equation with a parameter

Wang Fanglei, An Yukun, An

Savoirs

On positive solutions for nonhomogeneous m-point boundary value problems with two parameters

Wang Fanglei, An Yukun, An