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   the zagreb index of bucket recursive trees  
   
نویسنده kazemi ramin ,behtoei ali ,kohansal akram
منبع mathematics interdisciplinary research - 2020 - دوره : 5 - شماره : 2 - صفحه:103 -111
چکیده    ‎bucket recursive trees are an interesting and natural generalization of recursive trees‎. ‎in this model the nodes are buckets that can hold up to b>= 1 labels‎. ‎the (modified) zagreb index of a graph is defined as the sum of‎ ‎the squares of the outdegrees of all vertices in the graph‎. ‎we give the mean and variance of this index in random bucket recursive trees‎. ‎also‎, ‎two limiting results on this index are given‎.
کلیدواژه bucket recursive tree ,the zagreb index ,limiting rule
آدرس imam khomeini international university, department of statistics, iran, imam khomeini international university, department of pure mathematics, iran, imam khomeini international university, department of statistics, iran
پست الکترونیکی kohansal@sci.ikiu.ac.ir
 
     
   
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