PinT Preconditioner for Forward-Backward Evolutionary Equations
DOI10.1137/22m1516476zbMath1530.65114OpenAlexW4389204251MaRDI QIDQ6183449
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Publication date: 4 January 2024
Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/22m1516476
preconditionerspectral analysisoptimal control problemsforward-backward equationsall-at-once systemparallel-in-time (PinT)parabolic source identification
Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Ill-posedness and regularization problems in numerical linear algebra (65F22) Controllability (93B05) Numerical computation of solutions to systems of equations (65H10) Minimal systems representations (93B20) Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs (65M12) Iterative numerical methods for linear systems (65F10) Parallel numerical computation (65Y05) Multistep, Runge-Kutta and extrapolation methods for ordinary differential equations (65L06) Error bounds for initial value and initial-boundary value problems involving PDEs (65M15) Multigrid methods; domain decomposition for initial value and initial-boundary value problems involving PDEs (65M55) Numerical solutions of ill-posed problems in abstract spaces; regularization (65J20) Toeplitz, Cauchy, and related matrices (15B05) Preconditioners for iterative methods (65F08) PDE constrained optimization (numerical aspects) (49M41)
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