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This article is available for purchase or by subscription. See below.
Abstract
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We introduce new lower bounds on the clique-chromatic numbers of
and
graphs. We also prove the clique-chromatic number of
to be a bounded
function of
for
each fixed .
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Keywords
clique-chromatic numbers, Johnson graphs, finite projective
plane
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Mathematical Subject Classification
Primary: 05C15
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Milestones
Received: 4 October 2020
Revised: 6 January 2021
Accepted: 21 January 2021
Published: 23 June 2021
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