Article ID Journal Published Year Pages File Type
4658131 Topology and its Applications 2016 10 Pages PDF
Abstract

We show that, given a nonmetrizable compact space K having ω  -derived set empty, there always exist nontrivial exact sequences 0→c0→E→C(K)→00→c0→E→C(K)→0. This partially solves a problem posed in several papers: Is Ext(C(K),c0)≠0Ext(C(K),c0)≠0 for K a nonmetrizable compact set?

Related Topics
Physical Sciences and Engineering Mathematics Geometry and Topology
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