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	Sharp Error Estimate of an Implicit BDF2 Scheme with Variable Time Steps for the Phase Field Crystal Model Journal article Journal of Scientific Computing,2022, volume: 92, issue: 2 Authors: Di, Yana; Wei, Yifan; Zhang, Jiwei; Zhao, Chengchao Favorite \| View/Download：6/0 \| Submit date：2022/09/05 BDF2 DOC and DCC kernels Modified energy dissipation law Phase field model Sharp error estimate
	A second-order and nonuniform time-stepping maximum-principle preserving scheme for time-fractional Allen-Cahn equations Journal article Journal of Computational Physics,2020, volume: 414 Authors: Liao, Hong lin; Tang, Tao; Zhou, Tao Favorite \| View/Download：78/0 \| Submit date：2021/04/23 Adaptive time-stepping strategy Alikhanov formula Discrete maximum principle Sharp error estimate Time-fractional Allen-Cahn equation