SEMI-HOMOTOPY AND SEMI-FUNDAMENTAL GROUPS

Authors : Ayhan Erciyes, Ali Aytekin, Tunçar Şahan

Pages : 155-163

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Publication Date : 2016-04-15

Article Type : Research

Abstract :In this study we introduce the notions of semi-homotopy of semi- continuous maps and of semi-paths. We also construct a group structure, which will be called semi-fundamental group, using semi-loops and explore some properties of semi-homotopy and semi-fundamental groups.
Keywords : Semi-open sets, semi-closed sets, homotopy, fundamental groups