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I-convergence theorems for a class of k-positive linear operators
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Approximation properties of λ-Kantorovich operators. [PDF]
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Stable Spectral Methods For Conservation Laws On Triangles With Unstructured Grids
, 1997 . This paper presents an asymptotically stable scheme for the spectral approximation of linear conservation laws defined on a triangle. Lagrange interpolation on a general two-dimensional nodal set is employed and, by imposing the boundary conditions ...
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, 1999 . Conforming finite elements in H(div;\Omega\Gamma and H(curl; \Omega\Gamma can be regarded as discrete differential forms (Whitney--forms). The construction of such forms is based on an interpolation idea, which boils down to a simple extension of the
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