Abstract
We determine shape-preserving regions and we describe a general setting to generate shape-preserving families for the 2-points Hermite subdivision scheme introduced by Merrien (Numer. Algorithms 2:187–200, [1992]). This general construction includes the shape-preserving families presented in Merrien and Sablonníere (Constr. Approx. 19:279–298, [2003]) and Pelosi and Sablonníere (C 1 GP Hermite Interpolants Generated by a Subdivision Scheme, Prépublication IRMAR 06–23, Rennes, [2006]). New special families are presented as particular examples. Nonstationary and nonuniform versions of such schemes, which produce smoother limits, are discussed.
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Communicated by Wolfgang Dahmen.
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Costantini, P., Manni, C. On Constrained Nonlinear Hermite Subdivision. Constr Approx 28, 291–331 (2008). https://doi.org/10.1007/s00365-007-9001-z
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DOI: https://doi.org/10.1007/s00365-007-9001-z