Quasicomponents, Čech Systems, and approximate Systems
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DOI: 10.1216/rmj.2021.51.657
Abstract: We shall prove that if X is a Hausdorff paracompactum with at least one nontrivial quasicomponent, then none of its Cech systems can be commutative and none can support the structure of an approximate inverse… read more here.
Keywords: ech systems; systems approximate; quasicomponents ech; approximate systems ... See more keywords