{"title":"Free circle actions on certain simply connected $7-$manifolds","authors":"Fupeng Xu","doi":"arxiv-2409.04938","DOIUrl":null,"url":null,"abstract":"In this paper, we determine for which nonnegative integers $k$, $l$ and for\nwhich homotopy $7-$sphere $\\Sigma$ the manifold $kS^{2}\\times\nS^{5}\\#lS^{3}\\times S^{4}\\#\\Sigma$ admits a free smooth circle action.","PeriodicalId":501271,"journal":{"name":"arXiv - MATH - Geometric Topology","volume":"37 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - MATH - Geometric Topology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.04938","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, we determine for which nonnegative integers $k$, $l$ and for
which homotopy $7-$sphere $\Sigma$ the manifold $kS^{2}\times
S^{5}\#lS^{3}\times S^{4}\#\Sigma$ admits a free smooth circle action.