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28 March 2024
 
  » arxiv » 1502.7053

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Limits of level and parameter dependent subdivision schemes: a matrix approach
Maria Charina ; Costanza Conti ; Nicola Guglielmi ; Vladimir Protasov ;
Date 25 Feb 2015
AbstractIn this paper, we present a new matrix approach for the analysis of subdivision schemes whose non-stationarity is due to linear dependency on parameters whose values vary in a compact set. Indeed, we show how to check the convergence in $C^{ell}(RR^s)$ and determine the H"older regularity of such level and parameter dependent schemes efficiently via the joint spectral radius approach. The efficiency of this method and the important role of the parameter dependency are demonstrated on several examples of subdivision schemes whose properties improve the properties of the corresponding stationary schemes. Moreover, we derive necessary criteria for a function to be generated by some level dependent scheme and, thus, expose the limitations of such schemes.
Source arXiv, 1502.7053
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