Preface
Zhaosheng Feng, Peiguang Wang and Jianshe Yu

Existence criteria of ground state solutions for Schrödinger-Poisson systems with a vanishing potential
Sitong Chen, Wennian Huang and Xianhua Tang

Existence and multiplicity of nontrivial solutions for a semilinear biharmonic equation with weight functions
Xiyou Cheng, Zhaosheng Feng and Lei Wei

Symmetry of positive solutions for systems of fractional Hartree equations
Yan Deng, Junfang Zhao and Baozeng Chu

Traveling wave fronts in a diffusive and competitive Lotka-Volterra system
Zengji Du, Shuling Yan and Kaige Zhuang

Traveling waves in a nonlocal dispersal predator-prey model
Yu-Xia Hao, Wan-Tong Li and Fei-Ying Yang

Uniform polynomial stability of second order integro-differential equations in Hilbert spaces with positive definite kernels
Kun-Peng Jin, Jin Liang and Ti-Jun Xiao

On the number of limit cycles of a quartic polynomial system
Min Li and Maoan Han

Positive solutions of the discrete Robin problem with $p$-Laplacian
Jiaoxiu Ling and Zhan Zhou

Stability and bifurcation analysis in a delay-induced predator-prey model with Michaelis-Menten type predator harvesting
Ming Liu, Dongpo Hu and Fanwei Meng

New results for oscillation of fractional partial differential equations with damping term
Liping Luo, Zhenguo Luo and Yunhui Zeng

Higher order convergence for a class of set differential equations with initial conditions
Peiguang Wang, Xiran Wu and Huina Liu

Solution of contrast structure type for a reaction-diffusion equation with discontinuous reactive term
Xiao Wu and Mingkang Ni

Chaotic oscillations of linear hyperbolic PDE with variable coefficients and implicit boundary conditions
Qigui Yang and Qiaomin Xiang

Existence and multiplicity of positive solutions for a class of quasilinear Schrödinger equations in $\mathbb{R}^N$?
Ziqing Yuan and Jianshe Yu

$W^{2, p}$-regularity for asymptotically regular fully nonlinear elliptic and parabolic equations with oblique boundary values
Junjie Zhang, Shenzhou Zheng and Chunyan Zuo

Non-autonomous weakly damped plate model on time-dependent domains
Penghui Zhang, Zhaosheng Feng and Lu Yang