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Generalized iterated wreath products of ...
Im, Mee Seong...
Generalized iterated wreath products of cyclic groups and rooted trees correspondence by Im, Mee Seong ( Author )
Australian National University
06-09-2023
Consider the generalized iterated wreath product $\mathbb{Z}_{r_1}\wr \mathbb{Z}_{r_2}\wr \ldots \wr \mathbb{Z}_{r_k}$ where $r_i \in \mathbb{N}$. We prove that the irreducible representations for this class of groups are indexed by a certain type of rooted trees. This provides a Bratteli diagram for the generalized iterated wreath product, a simple recursion formula for the number of irreducible representations, and a strategy to calculate the dimension of each irreducible representation. We calculate explicitly fast Fourier transforms (FFT) for this class of groups, giving literature's fastest FFT upper bound estimate.
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Article
pdf
29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1409.0603
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