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How does truncation of the mask affect a refinable function? (English) Zbl 0874.42025
Summary: If the mask of a refinable function has infinitely many coefficients, or if the coefficients are irrational, then it is often replaced by a finite mask with coefficients with terminating decimal expansions when it comes to applications. This note studies how such truncation affects the refinable function.

MSC:
42C15 General harmonic expansions, frames
26A30 Singular functions, Cantor functions, functions with other special properties
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