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Multiresolution Analysis from a Riesz Family of Shifts of a Refinable Function in L2(G)
Iranian Journal of Science and Technology, Transactions A: Science ( IF 1.4 ) Pub Date : 2022-06-22 , DOI: 10.1007/s40995-022-01316-3
N. Mohammadian , R. A. Kamyabi Gol

Let G be a second countable locally compact abelian group, L be a uniform lattice in G and \(S_L\) be a fundamental domain for L in G. Let \(L_{\circ }^p(G)= \{ \varphi : G \longrightarrow {\mathbb {C}};\quad \big \Vert \sum _{k\in L}|\varphi (k^{-1}x)|\big \Vert _{L^p(S_L)} < \infty \}\) \((1\leqslant p\leqslant \infty )\). In this paper we aim among other things, to introduce the Banach space \(L_{\circ }^p(G)\) \((1\leqslant p\leqslant \infty )\), with the norm \(|\cdot |_p\), and for \(p=2\) and a refinable function \(\varphi \in L_{\circ }^2(G)\) and the Riesz family generated by the shifts of \(\varphi\) by L in G, construct a multiresolution analysis in L2(G). Also some examples are provided to support our construction.



中文翻译:

来自 L2(G) 中可精炼函数的 Riesz 位移族的多分辨率分析

G是第二个可数局部紧致阿贝尔群,LG中的均匀格,\(S_L\)是G中L的基本域。令\(L_{\circ }^p(G)= \{ \varphi : G \longrightarrow {\mathbb {C}};\quad \big \Vert \sum _{k\in L}|\varphi (k ^{-1}x)|\big \Vert _{L^p(S_L)} < \infty \}\) \((1\leqslant p\leqslant \infty )\)。在本文中,我们的目标之一是引入 Banach 空间\(L_{\circ }^p(G)\) \((1\leqslant p\leqslant \infty )\),规范\(|\ cdot |_p\),对于\(p=2\)和一个可细化的函数 \(\varphi \in L_{\circ }^2(G)\)和由\(\varphi\)通过L in G的移位生成的 Riesz 族,在L 2 ( G )中构建多分辨率分析。还提供了一些例子来支持我们的建设。

更新日期:2022-06-22
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