Mathematics – Combinatorics
Scientific paper
2009-04-25
Mathematics
Combinatorics
Scientific paper
In this note, we prove that for any integer $n\geq 3$ the b-chromatic number
of the Kneser graph $KG(m,n)$ is greater than or equal to $2{\lfloor {m\over 2}
\rfloor \choose n}$. This gives an affirmative answer to a conjecture of [6].
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