4 problems

Consider a spectral volume method whose convergence is slower than the expected order at the tested resolutions, and let a subcell layout mean the arrangement of subcells within a…

Consider a numerical convergence experiment for a spectral volume method with $k=7$ continuous basis functions, whose observed convergence order is six rather than the expected sev…

Consider the discontinuous Galerkin methods for the vector-invariant spherical shallow water equations described in the paper, and compare their convergence with the optimal fourth…

Kirchhoff plate convergence conjecture. Assuming a smooth solution of the Kirchhoff plate problem, the error estimates