Adaptive BDF2 method 1 Cahn-Hilliard model 1 Cahn–Hilliard model 1 Convolution 1 Convolution kernel 1 Discrete convolution 1 Discrete convolution embedding inequality 1 Discrete energies 1 Discrete energy dissipation law 1 Embeddings 1 Energy dissipation 1 Error estimate 1 Error estimates 1 Errors 1 Mesh generation 1 Orthogonal convolution kernel 1 Orthogonal convolution kernels 1