2017/01/03 by Kucab, Jacek, Zarichnyi, Mykhailo
#54D35 #54D40 #54E35 #FOS: Mathematics #General Topology (math.GN) #Metric Geometry (math.MG)
paper · doi:10.48550/arxiv.1701.00721
The subpower Higson corona of a proper metric space is defined in \citeKZ. We prove that, unlikely to the Higson corona, the closure of a σ-compact subset of the subpower Higson corona of a proper unbounded metric space does not necessarily coincide with its Stone-Čech corona.