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Dissecting an International Mathematical Olympiad Problem:Erdős-Szekeres & Grid Tilings

Mathematician & Educator

51:55·2026·undergraduate level·Public Colloquium

Full 52-minute mathematical proof walkthrough unpacking permutation posets, Dilworth's theorem / Erdős-Szekeres bounds, and invariant lower-bound constructions.

A beautiful puzzle that eluded AI, and the intuition it requires.

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