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Erdős problem 146

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If HH is bipartite and rr-degenerate, is ex(n;H)≪n2−1/r\mathrm{ex}(n;H) \ll n^{2-1/r} (a $500 Erdős-Simonovits prize conjecture)? A counterexample refutes the degeneracy conjecture.

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  1. Sourceerdos-problems
  2. StatementRetained
  3. Formal2 retained
  4. ResolutionNone filed
  5. WorkNone recorded
  6. DecisionNone here
  7. The questionNot reached
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Graph Theory275Turan Number23
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