2 problems

Let $(X_{\mathfrak{G}},\sigma_{\mathfrak{G}})$ be a free $\mathbb{Z}^2$-odometer, and let $\mathbf{S}:\mathbb{Z}^2\curvearrowright X$ be a minimal speedup of…

Let $(X_1,\mathbf{T}_1)$ be a minimal $\mathbb{Z}^d$-Cantor system and let $(X_2,\mathbf{T}_2)$ be a higher-dimensional odometer action. A $\textsf{{C}}$-speedup of…