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An improved upper bound on the double Roman domination number of graphs with minimum degree at least two.
Rana Khoeilar
Hossein Karami
Mustapha Chellali
Seyed Mahmoud Sheikholeslami
Published in:
Discret. Appl. Math. (2019)
Keyphrases
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upper bound
data sets
real time
neural network
lower bound
lower and upper bounds
constant factor
database
data structure
branch and bound algorithm
graph mining
maximum number
graph theoretic