A two-grid discretization scheme for eigenvalue problems
Mathematics of Computation
Discontinuous hp-Finite Element Methods for Advection-Diffusion-Reaction Problems
SIAM Journal on Numerical Analysis
SIAM Journal on Numerical Analysis
Unified Analysis of Discontinuous Galerkin Methods for Elliptic Problems
SIAM Journal on Numerical Analysis
Reviving the Method of Particular Solutions
SIAM Review
Enhancing Eigenvalue Approximation by Gradient Recovery
SIAM Journal on Scientific Computing
Computing and Visualization in Science
Applied Numerical Mathematics
Applied Numerical Mathematics
SIAM Journal on Scientific Computing
Applied Numerical Mathematics
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A discontinuous Galerkin method, with hp-adaptivity based on the approximate solution of appropriate dual problems, is employed for highly-accurate eigenvalue computations on a collection of benchmark examples. After demonstrating the effectivity of our computed error estimates on a few well-studied examples, we present results for several examples in which the coefficients of the partial-differential operators are discontinuous. The problems considered here are put forward as benchmarks upon which other adaptive methods for computing eigenvalues may be tested, with results compared to our own.