Develops explicit IFE functions and an IDG method for elliptic interface problems that achieve optimal H1 and L2 convergence with interface-cut-independent constants and robust matrix conditioning.
Stable generalized finite element method (
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The Immersed Discontinuous Galerkin Method for Elliptic Interface Problems
Develops explicit IFE functions and an IDG method for elliptic interface problems that achieve optimal H1 and L2 convergence with interface-cut-independent constants and robust matrix conditioning.