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   domination numbers and diameters in certain graphs  
   
نویسنده karimizad s. s.
منبع journal of linear and topological algebra - 2024 - دوره : 13 - شماره : 2 - صفحه:113 -119
چکیده    Regarding the problem mentioned by brigham et al. “is it correct that each connected bicritical graph possesses a minimum dominating set having every two appointed vertices of graphs?”, we first give a class of graphs that disprove it and second obtain dominationnumbers and diameters of the graphs of this class. this class of graphs has the property: ω(h) − diam(h) → ∞ when |v(h)| = n → ∞. also, for the bicritical graphs of this class, i(h) = ω(h).
کلیدواژه domination number ,bicritical graph ,diameter.
آدرس ilam university, faculty of basic sciences, department of mathematics, iran
پست الکترونیکی s.karimizad@ilam.ac.ir; s karimizad@yahoo.com
 
   domination numbers and diameters in certain graphs  
   
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