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Granular Computing

, Volume 4, Issue 1, pp 63–69 | Cite as

A new algorithm for finding minimum spanning trees with undirected neutrosophic graphs

  • Arindam Dey
  • Said Broumi
  • Le Hoang SonEmail author
  • Assia Bakali
  • Mohamed Talea
  • Florentin Smarandache
Original Paper

Abstract

In this paper, we discuss the minimum spanning tree (MST) problem of an undirected neutrosophic weighted connected graph in which a single-valued neutrosophic number, instead of a real number/fuzzy number, is assigned to each arc as its arc length. We define this type of MST as neutrosophic minimum spanning tree (NMST). We describe the utility of neutrosophic numbers as arc lengths and its application in different real world MST problems. Here, a new algorithm for designing the MST of a neutrosophic graph is introduced. In the proposed algorithm, we incorporate the uncertainty in Kruskal algorithm for designing MST using neutrosophic number as arc length. A score function is used to compare different NMSTs whose weights are computed using the addition operation of neutrosophic numbers. We compare this weight of the NMST with that of an equivalent classical MST with real numbers as arc lengths. Compared with the existing algorithms for NMST, the proposed algorithm is more efficient due to the fact that the addition operation and the ranking of neutrosophic number can be done in straightforward manners. The proposed algorithm is illustrated by numerical examples.

Keywords

Neutrosophic sets Neutrosophic graph Score function Spanning tree problem 

Notes

Acknowledgements

The authors are greatly indebted to Prof. Chen and Prof. Pedrycz for their comments and suggestions that improved the quality of the paper. This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant Number 102.01-2017.02.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Saroj Mohan Institute of TechnologyWest BengalIndia
  2. 2.Laboratory of Information Processing, Faculty of Science Ben M’SikUniversity Hassan IICasablancaMorocco
  3. 3.VNU University of ScienceVietnam National UniversityHanoiVietnam
  4. 4.Ecole Royale NavaleCasablancaMorocco
  5. 5.Department of MathematicsUniversity of New MexicoGallupUSA

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