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A posteriori error bounds for fully-discrete hp -discontinuous Galerkin timestepping methods for parabolic problems
Numerische Mathematik ( IF 2.1 ) Pub Date : 2021-04-14 , DOI: 10.1007/s00211-021-01187-7 Emmanuil H. Georgoulis , Omar Lakkis , Thomas P. Wihler
中文翻译:
抛物线问题全离散hp-间断Galerkin时间步长方法的后验误差界
更新日期:2021-04-14
Numerische Mathematik ( IF 2.1 ) Pub Date : 2021-04-14 , DOI: 10.1007/s00211-021-01187-7 Emmanuil H. Georgoulis , Omar Lakkis , Thomas P. Wihler
We consider fully discrete time-space approximations of abstract linear parabolic partial differential equations (PDEs) consisting of an hp-version discontinuous Galerkin (DG) time stepping scheme in conjunction with standard (conforming) Galerkin discretizations in space. We derive abstract computable a posteriori error bounds resulting, for instance, in concrete bounds in
中文翻译:
抛物线问题全离散hp-间断Galerkin时间步长方法的后验误差界
我们考虑抽象线性抛物线偏微分方程(PDE)的完全离散的时空近似,该方程由hp版本不连续Galerkin(DG)时间步进方案与空间中的标准(一致)Galerkin离散化组成。我们得出抽象的可计算后验误差范围,例如,在