Abstract
A degree elevation formula for multivariate simplex splines was given by Micchelli [6] and extended to hold for multivariate Dirichlet splines in [8]. We report similar formulae for multivariate cone splines and box splines. To this end, we utilize a relation due to Dahmen and Micchelli [4] that connects box splines and cone splines and a degree reduction formula given by Cohen, Lyche, and Riesenfeld in [2].
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Van Fleet, P.J. Some recurrence formulas for box splines and cone splines. Approx. Theory & its Appl. 18, 81–89 (2002). https://doi.org/10.1007/BF02837050
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DOI: https://doi.org/10.1007/BF02837050