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1. CMB 2013 (vol 57 pp. 141)

Mukwembi, Simon
Size, Order, and Connected Domination
We give a sharp upper bound on the size of a triangle-free graph of a given order and connected domination. Our bound, apart from strengthening an old classical theorem of Mantel and of Turán , improves on a theorem of Sanchis. Further, as corollaries, we settle a long standing conjecture of Graffiti on the leaf number and local independence for triangle-free graphs and answer a question of Griggs, Kleitman and Shastri on a lower bound of the leaf number in triangle-free graphs.

Keywords:size, connected domination, local independence number, leaf number
Category:05C69

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