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Ramsey numbers of partial order graphs (comparability graphs) and implications in ring theory
Badawi, Ayman; Rissner, Roswitha (De Gruyter, 2020)For a partially ordered set(A, ≤), letGA be the simple, undirected graph with vertex set A such that two vertices a ≠ ∈ b A are adjacent if either a ≤ b or b a ≤ . We call GA the partial order graph or comparability graph ...