$L^2(R^2)$的投影多分辨分析
Projective multiresolution analyses for $L^2(R^2)$
摘要:
我们定义的概念“投影”多分辨率分析,其中,根据定义,初始空间对应于一个代数$C(\btn)$上的连续复值函数的$n$ -环面的一个连续生成的投射模。普通多小波的情况是其中的投射模实际上是自由的。我们讨论的属性,投影多分辨率分析,包括他们提供的框架$L^2(\brn)$。然后,我们展示了如何构造的情况下,任何对角$2 \times 2$膨胀矩阵的整数项,与初始模块指定为任何固定的双生成的投射$C(\mathbb T^2)$ -模块的例子。我们计算相应的小波模的同构类。
英文摘要:
We define the notion of "projective" multiresolution analyses, for which, by definition, the initial space corresponds to a finitely generated projective module over the algebra $C(\btn)$ of continuous complex-valued functions on an $n$-torus. The case of ordinary multi-wavelets is that in which the projective module is actually free. We discuss the properties of projective multiresolution analyses, including the frames which they provide for $L^2(\brn)$. Then we show how to construct examples for the case of any diagonal $2 \times 2$ dilation matrix with integer entries, with initial module specified to be any fixed finitely generated projective $C(\mathbb T^2)$-module. We compute the isomorphism classes of the corresponding wavelet modules.
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