Analysis and convergence of Hermite subdivision schemes
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Publication:6348849
DOI10.1007/S10208-021-09543-7arXiv2009.05020MaRDI QIDQ6348849
Publication date: 10 September 2020
Abstract: Hermite interpolation property is desired in applied and computational mathematics. Hermite and vector subdivision schemes are of interest in CAGD for generating subdivision curves and in computational mathematics for building Hermite wavelets to numerically solve partial differential equations. In contrast to well-studied scalar subdivision schemes, Hermite and vector subdivision schemes employ matrix-valued masks and vector input data, which make their analysis much more complicated and difficult than their scalar counterparts. Despite recent progresses on Hermite subdivision schemes, several key questions still remain unsolved, for example, characterization of Hermite masks, factorization of matrix-valued masks, and convergence of Hermite subdivision schemes. In this paper, we shall study Hermite subdivision schemes through investigating vector subdivision operators acting on vector polynomials and establishing the relations among Hermite subdivision schemes, vector cascade algorithms and refinable vector functions. This approach allows us to resolve several key problems on Hermite subdivision schemes including characterization of Hermite masks, factorization of matrix-valued masks, and convergence of Hermite subdivision schemes.
Nontrigonometric harmonic analysis involving wavelets and other special systems (42C40) Interpolation in approximation theory (41A05) Algorithms for approximation of functions (65D15) Computer-aided design (modeling of curves and surfaces) (65D17)
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