English

Semi-homotopy and semi-fundamental groups

Algebraic Topology 2016-04-27 v1 General Topology

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

Cite

@article{arxiv.1603.01969,
  title  = {Semi-homotopy and semi-fundamental groups},
  author = {Ayhan Erciyes and Ali Aytekin and Tunçar Şahan},
  journal= {arXiv preprint arXiv:1603.01969},
  year   = {2016}
}

Comments

15 pages, research article, LaTeX2e, xypic

R2 v1 2026-06-22T13:05:01.091Z