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Zoltán Vidnyánszky - Borel chromatic numbers: basis and antibasis results
Talk held by Zoltán Vidnyánszky (KGRC) at the KGRC seminar on 2018-06-14. Abstract: We give a full description of the existence of a homomorphism basis for Borel graphs of given Borel chromatic number. In particular, we show that there is a Borel graph with Borel chromatic number 3 that admits a homomorphism to ...
settheory.mathtalks.org/zoltan

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