Bounds on nonlinear operators in finite-dimensional banach spaces
Numerische Mathematik
Stability and convergence at the PDE/stiff ODE interface
Applied Numerical Mathematics - Recent Theoretical Results in Numerical Ordinary Differential Equations
Existence, uniqueness, and numerical analysis of solutions of a quasilinear parabolic problem
SIAM Journal on Numerical Analysis
Finite element approximation of the parabolic p-Laplacian
SIAM Journal on Numerical Analysis
Runge-Kutta approximation of quasi-linear parabolic equations
Mathematics of Computation
Numerical Analysis of Parabolic p-Laplacian: Approximation of Trajectories
SIAM Journal on Numerical Analysis
Finite Element Method for Elliptic Problems
Finite Element Method for Elliptic Problems
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Global error bounds are derived for full Galerkin/Runge-Kutta discretizations of nonlinear parabolic problems, including the evolution governed by the p-Laplacian with p=2. The analysis presented here is not based on linearization procedures, but on the fully nonlinear framework of logarithmic Lipschitz constants and an extended B-convergence theory. The global error is bounded in L"2 by @Dx^r^/^2+@Dt^q, where r is the convergence order of the Galerkin method applied to the underlying stationary problem and q is the stiff order of the algebraically stable Runge-Kutta method.