Abstract
In this paper we study the dimension of spaces of pp (piecewise polynomial) functions satisfying boundary conditions on a three direction mesh (or type-1 triangulation) and on a four direction mesh (or type-2 triangulation). The work in this area was initiated by Chui, Schumaker and Wang in [3, 4, 5].
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Anbo, L. On the dimension of spaces of pp functions with boundary conditions. Approx. Theory & its Appl. 5, 19–29 (1989). https://doi.org/10.1007/BF02836066
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DOI: https://doi.org/10.1007/BF02836066