Spectrality of a class of infinite convolutions on $\mathbb{R}$

Sha Wu, Yingqing Xiao

Given an integer $m\ge 1$. Let ${\Sigma }^{(m)}=\{1,2,\cdots ,m{\}}^{\mathbb{N}}$ be a symbolic space, and let $\{(b_{k},D_{k})\}_{k=1}^{m}:=\{(b_{k}, \{0,1,\cdots, p_{k}-1\}t_{k}) \}_{k=1}…