Abstract.
Stable locally supported bases are constructed for the spaces \cal S dr (\triangle) of polynomial splines of degree d≥ 3r+2 and smoothness r defined on triangulations \triangle, as well as for various superspline subspaces. In addition, we show that for r≥ 1, in general, it is impossible to construct bases which are simultaneously stable and locally linearly independent.
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Davydov, O., Schumaker, L. On Stable Local Bases for Bivariate Polynomial Spline Spaces. Constr. Approx. 18, 87–116 (2001). https://doi.org/10.1007/s00365-001-0006-8
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DOI: https://doi.org/10.1007/s00365-001-0006-8