On some properties of doughnut graphs

The class of doughnut graphs is a subclass of 5-connected planar graphs. It is known that a doughnut graph admits a straight-line grid drawing with linear area, the outerplanarity of a doughnut graph is 3, and a doughnut graph is k-partitionable. In this paper we show that a doughnut graph exhibits...

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Main Authors: Md. Rezaul Karim, Md. Jawaherul Alam, Md. Saidur Rahman
Format: Article
Language:English
Published: Taylor & Francis Group 2016-08-01
Series:AKCE International Journal of Graphs and Combinatorics
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0972860016300895
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author Md. Rezaul Karim
Md. Jawaherul Alam
Md. Saidur Rahman
author_facet Md. Rezaul Karim
Md. Jawaherul Alam
Md. Saidur Rahman
author_sort Md. Rezaul Karim
collection DOAJ
description The class of doughnut graphs is a subclass of 5-connected planar graphs. It is known that a doughnut graph admits a straight-line grid drawing with linear area, the outerplanarity of a doughnut graph is 3, and a doughnut graph is k-partitionable. In this paper we show that a doughnut graph exhibits a recursive structure. We also give an efficient algorithm for finding a shortest path between any pair of vertices in a doughnut graph. We also propose a nice application of a doughnut graph based on its properties.
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spelling doaj.art-2730facfd18849be9870b6ea481746d72022-12-21T21:17:07ZengTaylor & Francis GroupAKCE International Journal of Graphs and Combinatorics0972-86002016-08-0113213013910.1016/j.akcej.2016.06.006On some properties of doughnut graphsMd. Rezaul Karim0Md. Jawaherul Alam1Md. Saidur Rahman2Department of Computer Science and Engineering, University of Dhaka, Dhaka-1000, BangladeshDepartment of Computer Science and Engineering, Bangladesh University of Engineering and Technology(BUET), Dhaka-1000, BangladeshDepartment of Computer Science and Engineering, Bangladesh University of Engineering and Technology(BUET), Dhaka-1000, BangladeshThe class of doughnut graphs is a subclass of 5-connected planar graphs. It is known that a doughnut graph admits a straight-line grid drawing with linear area, the outerplanarity of a doughnut graph is 3, and a doughnut graph is k-partitionable. In this paper we show that a doughnut graph exhibits a recursive structure. We also give an efficient algorithm for finding a shortest path between any pair of vertices in a doughnut graph. We also propose a nice application of a doughnut graph based on its properties.http://www.sciencedirect.com/science/article/pii/S0972860016300895Planar graphsRecursive structureHamiltonianFault toleranceConnectivity
spellingShingle Md. Rezaul Karim
Md. Jawaherul Alam
Md. Saidur Rahman
On some properties of doughnut graphs
AKCE International Journal of Graphs and Combinatorics
Planar graphs
Recursive structure
Hamiltonian
Fault tolerance
Connectivity
title On some properties of doughnut graphs
title_full On some properties of doughnut graphs
title_fullStr On some properties of doughnut graphs
title_full_unstemmed On some properties of doughnut graphs
title_short On some properties of doughnut graphs
title_sort on some properties of doughnut graphs
topic Planar graphs
Recursive structure
Hamiltonian
Fault tolerance
Connectivity
url http://www.sciencedirect.com/science/article/pii/S0972860016300895
work_keys_str_mv AT mdrezaulkarim onsomepropertiesofdoughnutgraphs
AT mdjawaherulalam onsomepropertiesofdoughnutgraphs
AT mdsaidurrahman onsomepropertiesofdoughnutgraphs