Smoothness-increasing accuracy-conserving (SIAC) filtering for discontinuous galerkin solutions: improved errors versus higher-order accuracy

Efficient Implementation of Smoothness-Increasing Accuracy-Conserving (SIAC) Filters for Discontinuous Galerkin Solutions

Smoothness-increasing accuracy-conserving (SIAC) post-processing for discontinuous Galerkin solutions over structured triangular meshes

Quantification of errors Introduced in the numerical approximation and Implementation of smoothness-increasing accuracy conserving (SIAC) filtering of discontinuous galerkin (DG) fields