An Investigation of Corona Domination Number for Some Special Graphs and Jahangir Graph

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L. Praveenkumar
G. Mahadevan
C. Sivagnanam


In this work,  the study of corona domination in graphs is carried over which was initially proposed by G. Mahadevan et al. Let be a simple graph. A dominating set S of a graph is said to be a corona-dominating set if every vertex in is either a pendant vertex or a support vertex. The minimum cardinality among all corona-dominating sets is called the corona-domination number and is denoted by (i.e) . In this work, the exact value of the corona domination number for some specific types of graphs are given. Also, some results on the corona domination number for some classes of graphs are obtained and the method used in this paper is a well-known number theory concept with some modification this method can also be applied to obtain the results on other domination parameters.


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Praveenkumar L, Mahadevan G, Sivagnanam C. An Investigation of Corona Domination Number for Some Special Graphs and Jahangir Graph. Baghdad Sci.J [Internet]. 2023 Mar. 1 [cited 2023 Mar. 21];20(1(SI):0294. Available from:
Author Biographies

L. Praveenkumar, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Tamilnadu, India.



C. Sivagnanam, Department of General Requirments, University of Technology and Applied Sciences, Sur, Sultanate of Oman.




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