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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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Problem row
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Metadata
sha256:5b31709ecd2bb83e3797d6298eb1e2173a8a239cdacbd373bad49a353de25a6f
Observation
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36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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