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Some properties of the topological spaces generated from the simple undirected graphs

Yıl 2023, Cilt: 41 Sayı: 2, 266 - 270, 30.04.2023

Öz

Graph theory, which is used effectively in many fields from science to liberal arts, has very important place in our lives. As a result of this, the topological structure of the graphs is stud-ied by many researchers. In this paper, we investigate the topological spaces generated by the graphs. The states of being an accumulation point and an interior point of a point in these spaces are examined. It is defined that relative topology on a subgraph of a graph. It is shown that this topology is different from the topology generated by this subgraph. Moreover, using the minimal adjacencies of vertices set of a graph, necessary and sufficient conditions for be-ing 𝑇0 -space, 𝑇1-space and Hausdorff space of the topological space generated from this graph are presented. This enables to examine whether the topological space is 𝑇0, 𝑇1 and Hausdorff without obtaining the topology generated from the graph.

Kaynakça

  • REFERENCES
  • [1] Abdu KA, Kılıcman A. Topologies on the edges set of directed graphs. Int J Math Anal 2018:12;71-84.[CrossRef]
  • [2] Amiri SM, Jafarzadeh A, Khatibzadeh H. An Alexandroff topology on graphs. Bull Iran Math Soc 2013;39:647-662.
  • [3] Bondy JA, Murty USR. Graph Theory. 1st ed. Berlin: Springer; 2008. [CrossRef]
  • [4] Euler L. Solutio problematis ad geometriam situs pertinentis. Commentarii Academiae Scientiarum Imperi- alis Petropolitanae 1736;8:128-140.
  • [5] Lipschutz S. Schaum's Outline of Theory and Problems of General Topology. 1st ed. New York: Mcgraw-Hill Book Company; 1965.
  • [6] Sarı HK, Kopuzlu A. A note on a binary relation corresponding to a bipartite graph. ITM Web Conf 2018;22:01039. [CrossRef]
  • [7] Sarı HK, Kopuzlu A. On topological spaces gener-ated by simple undirected graphs. Aims Mathematics 2020;5:5541-5550. [CrossRef]
  • [8] Sarı HK, Kopuzlu A. The vertice-centered metric topologies generated from the connected undirected graphs. Malays J Math Sci 2021;15:243-252.
  • [9] Sahin A. Dichromatic polynomial for graph of a (2, n)-torus knot. Appl Math Nonlinear Sci 2021;6:397-402. CrossRef]
  • [10] Sahin B, Sahin A. On total vertex-edge domination. J App Eng Math 2019;9:128-133.
  • [11] Sahin A. Coloring in graphs of twist knots. Numer Methods Partial Differ Equ 2020;38:928-935.[CrossRef
Yıl 2023, Cilt: 41 Sayı: 2, 266 - 270, 30.04.2023

Öz

Kaynakça

  • REFERENCES
  • [1] Abdu KA, Kılıcman A. Topologies on the edges set of directed graphs. Int J Math Anal 2018:12;71-84.[CrossRef]
  • [2] Amiri SM, Jafarzadeh A, Khatibzadeh H. An Alexandroff topology on graphs. Bull Iran Math Soc 2013;39:647-662.
  • [3] Bondy JA, Murty USR. Graph Theory. 1st ed. Berlin: Springer; 2008. [CrossRef]
  • [4] Euler L. Solutio problematis ad geometriam situs pertinentis. Commentarii Academiae Scientiarum Imperi- alis Petropolitanae 1736;8:128-140.
  • [5] Lipschutz S. Schaum's Outline of Theory and Problems of General Topology. 1st ed. New York: Mcgraw-Hill Book Company; 1965.
  • [6] Sarı HK, Kopuzlu A. A note on a binary relation corresponding to a bipartite graph. ITM Web Conf 2018;22:01039. [CrossRef]
  • [7] Sarı HK, Kopuzlu A. On topological spaces gener-ated by simple undirected graphs. Aims Mathematics 2020;5:5541-5550. [CrossRef]
  • [8] Sarı HK, Kopuzlu A. The vertice-centered metric topologies generated from the connected undirected graphs. Malays J Math Sci 2021;15:243-252.
  • [9] Sahin A. Dichromatic polynomial for graph of a (2, n)-torus knot. Appl Math Nonlinear Sci 2021;6:397-402. CrossRef]
  • [10] Sahin B, Sahin A. On total vertex-edge domination. J App Eng Math 2019;9:128-133.
  • [11] Sahin A. Coloring in graphs of twist knots. Numer Methods Partial Differ Equ 2020;38:928-935.[CrossRef
Toplam 12 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Ampirik Yazılım Mühendisliği
Bölüm Research Articles
Yazarlar

Hatice Kübra Sarı Bu kişi benim 0000-0001-5110-1256

Yayımlanma Tarihi 30 Nisan 2023
Gönderilme Tarihi 14 Nisan 2021
Yayımlandığı Sayı Yıl 2023 Cilt: 41 Sayı: 2

Kaynak Göster

Vancouver Sarı HK. Some properties of the topological spaces generated from the simple undirected graphs. SIGMA. 2023;41(2):266-70.

IMPORTANT NOTE: JOURNAL SUBMISSION LINK https://eds.yildiz.edu.tr/sigma/