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Preprint Number 2693
2693. Yatir Halevi and Itay Kaplan and Saharon Shelah Infinite Cliques in Simple and Stable Graphs E-mail: Submission date: 10 August 2024 Abstract: Suppose that G is a graph of cardinality μ^+ with chromatic number χ(G) ≥ μ^+. One possible reason that this could happen is if G contains a clique of size μ^+. We prove that this is indeed the case when the edge relation is stable. When G is a random graph (which is simple but not stable), this is not true. But still if in general the complete theory of G is simple, G must contain finite cliques of unbounded sizes. Mathematics Subject Classification: Keywords and phrases: |
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