Erdős problem 74
Let possibly very slowly. Is there a graph of infinite chromatic number such that every finite subgraph on vertices can be made bipartite by deleting at most edges?
Sources
FormalConjectures/ErdosProblems/
74.lean
Retained formal statement
Let possibly very slowly. Is there a graph of infinite chromatic number such that every finite subgraph on vertices can be made bipartite by deleting at most edges?
True ↔ ∀ (f : ℕ → ℕ), Filter.Tendsto f Filter.atTop Filter.atTop → ∃ V G, G.chromaticNumber = ⊤ ∧ ∀ (n : ℕ), Erdos74.SimpleGraph.maxSubgraphEdgeDistToBipartite G n ≤ f nOpenStatement only, no proof