2023
DOI: 10.1002/jgt.23032
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On the number of star‐shaped classes in optimal colorings of Kneser graphs

Hamid Reza Daneshpajouh

Abstract: A family of sets is called star‐shaped if all the members of the family have a point in common. The main aim of this paper is to provide a negative answer to the following question raised by Aisenberg et al., for the case . Do there exist ‐colorings of the ‐Kneser graphs with more than many non‐star‐shaped color classes?

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