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Published in 2021 at "Topology and its Applications"
DOI: 10.1016/j.topol.2021.107868
Abstract: We construct some nonsmoothable actions of Z2 * Z2 on spin four-manifolds by using an equivariant version of Furuta' s 10/8inequality. The examples satisfy following property: any proper subgroup of Z2 * Z2 is smoothable…
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Keywords:
actions spin;
four manifolds;
topology;
nonsmoothable actions ... See more keywords