LOCAL DISCONTINUOUS GALERKIN LIFT Operator
I am currently trying to code a solver for solving elliptic problems using the DG formulation. The Problem I am having ist to implement the liftings Operator in the LDG or CDG methods (using the primal form). I can understand how they are being formed.
The Problem ist that I don't realy now how to impement them. Especally the prodokts of the Lifting-Operators. The for example "Unified analysis of discountinous galerkin methos for eleptic Problems" from Arnold, Brezzi, Cockburn and Marini.
If some one could help me that would be really kind.
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