A dimension reduction method of two‐grid finite element solution coefficient vectors for the Allen–Cahn equation - Li, Yuejie; Teng, Fei; Zeng, Yihui; Luo, Zhendong (Mathematical methods in the applied sciences, 2025)
Keywords: Errors; Proper Orthogonal Decomposition; reduced‐dimension extrapolated two‐grid Crank–Nicolson finite element method; Stability; the nonlinear Allen–Cahn equation; two‐grid Crank–Nicolson finite element method; unconditional stability and errors