Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4658131 | Topology and its Applications | 2016 | 10 Pages |
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?
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Geometry and Topology
Authors
Jesús M.F. Castillo,