On the co-factors of degree 6 Salem number beta expansions

Jacob J. Stockton

For $\beta >1$, a sequence $(c_n{)}_{n\ge 1}\in {\mathbb{Z}}^{{\mathbb{N}}^{+}}$ with $0\le c_n<\beta$ is the \emph{beta expansion} of $x$ with respect to $\beta$ if $x = \sum_{n = 1}^\infty c_…