Estimating the support of a scaling vector

  title={Estimating the support of a scaling vector},
  author={Wasin So and Jianzhong Wang},
An estimate is given for the support of each component function of a compactly supported scaling vector satisfying a matrix refinement equation with finite number of terms. The estimate is based on the highest and lowest degree of each polynomial in the corresponding matrix symbol. Only basic techniques from matrix theory are involved in the derivation. 

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