The α - labeling number of comets is 2
نویسندگان
چکیده
We investigate the claim that for every tree T (with m edges), there exists an α-labeling of T , or else there exists a graph HT with an α-labeling such that HT can be decomposed into two edge-disjoint copies of T . We prove that the above claim is true for comets Cm,2. This is particularly noteworthy since comets Cm,2 are known to have arbitrarily large α-deficits.
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