URL: https://www.sciengine.com/SSM/issue/52/6

Planar polynomial Hamiltonian differential systems with global centers
He Hongjin, Llibre Jaume, Xiao Dongmei
https://doi.org/10.1360/SCM-2020-0602

Gradient estimation of solutions for the second boundary value problem of the mean curvature equation
Ye Xiaofang, Han Fei
https://doi.org/10.1360/SSM-2020-0195

Birkhoff iterations and spectral invariants of convex billiard maps
Zhang Jianlu
https://doi.org/10.1360/SCM-2020-0694

The covariance function estimation based on the constrained B-spline smoothing method
Wang Jiangyan, Lin Jinguan
https://doi.org/10.1360/SSM-2020-0116

Extrapolation-based tuning parameters selection in massive data analysis
Ren Haojie, Zou Changliang, Li Runze
https://doi.org/10.1360/SCM-2020-0622

Efficient energy-preserving numerical approximations for the sine-Gordon equation with Neumann boundary condition
Hong Qi, Wang Yushun, Gong Yuezheng
https://doi.org/10.1360/SCM-2020-0695

A fast algorithm for low-rank Hankel tensor completion
Wang Chuanlong, Guo Xiongwei
https://doi.org/10.1360/SSM-2020-0229