Nonlinear ENO/SR interpolation on sigma quasi-uniform grids recovers optimal approximation orders for piecewise smooth functions with isolated corner singularities when maximum grid spacing is below a critical value h_c.
Harten,Eno schemes with subcell resolution, J
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Interpolation and approximation of piecewise smooth functions with corner discontinuities on sigma quasi-uniform grids
Nonlinear ENO/SR interpolation on sigma quasi-uniform grids recovers optimal approximation orders for piecewise smooth functions with isolated corner singularities when maximum grid spacing is below a critical value h_c.