On character of points in the Higson corona of a metric space

Taras Banakh, Ostap Chervak, Lubomyr Zdomskyy

We prove that for an unbounded metric space $X$, the minimal character $m\chi (\check{X})$ of a point of the Higson corona $\check{X}$ of $X$ is equal to $\mathfrak{u}$ if $X$ has asympto…