Ma Ruyun; Zhu Yan; Zhang Yali: Global bifurcation of positive solutions for a class of superlinear elliptic systems. (2023)
Ma Ruyun; Zhao Zhongzi; Ma Mantang: Neumann problems of superlinear elliptic systems at resonance. (2022)
Xu Man; Ma Ruyun: Existence of infinitely many radial nodal solutions for a Dirichlet problem involving mean curvature operator in Minkowski space. (2020)
Ma Ruyun; Yan Dongliang; Wei Liping: Multiplicity of nodal solutions for fourth order equation with clamped beam boundary conditions. (2020)
Ma Ruyun; Yan Dongliang; Wei Liping: Multiplicity of nodal solutions for fourth order equation with clamped beam boundary conditions. (2020)
He Zhiqian; Ma Ruyun; Xu Man: Positive solutions for a class of semipositone periodic boundary value problems via bifurcation theory. (2019)
Chen Tianlan; Ma Ruyun: Three positive solutions of N-dimensional p-Laplacian with indefinite weight. (2019)
Ma Ruyun; Chen Tianlan; Gao Hongliang: On positive solutions of the Dirichlet problem involving the extrinsic mean curvature operator. (2016)
Ma Ruyun; Zhang Lu; Liu Ruikuan: Existence results for nonlinear problems with φ-Laplacian. (2015)
Gao Hongliang; Ma Ruyun: Multiple positive solutions for a class of Neumann problems. (2015)