A decay theorem for refinable functions. (English) Zbl 0851.42027

Daubechies, I.; Huang, Y.

Appl. Math. Lett. 7, No. 4, 1-4 (1994).

Summary: We show that a refinable function with absolutely summable mask cannot have exponential decay in both time and frequency.

MSC:

42C15

General harmonic expansions, frames

Keywords:

refinement equation; wavelets; refinable function; exponential decay

References:

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