Abstract
The characterization of tight multiwavelet frames with different matrix dilations and matrix translations for L 2(R d ) is established. The result contains and further extends the generalizations that have appeared in the literature. Two sufficient conditions for affine frames are also presented.
ACKNOWLEDGMENT
This work was supported by the National Natural Science Foundation of China (No. 10671062, No. 60806021), Innovation Scientists and Technicians Troop Construction Projects of Henan Province of China (No. 084100510012) and the Natural Science Foundation for the Education Department of Henan Province of China (No. 2008B510001).
We are deeply indebted to the referees for their very valuable suggestions, which greatly improve the presentation of this article.