| { | |
| "total_problems": 2084, | |
| "problems_by_difficulty": { | |
| "L5: Millennium Prize": 136, | |
| "L3: Advanced": 496, | |
| "L4: Expert": 220, | |
| "L2: Intermediate": 316, | |
| "L1: Tractable": 916 | |
| }, | |
| "problems_by_category": { | |
| "Computer Science": 24, | |
| "Number Theory": 546, | |
| "Mathematical Physics": 6, | |
| "Partial Differential Equations": 8, | |
| "Algebraic Geometry": 9, | |
| "Combinatorics": 230, | |
| "Graph Theory": 441, | |
| "Topology": 424, | |
| "Geometry": 117, | |
| "Algebra": 89, | |
| "Set Theory": 16, | |
| "Dynamical Systems": 2, | |
| "Group Theory": 155, | |
| "Analysis": 5, | |
| "Logic": 10, | |
| "Probability": 1, | |
| "Miscellaneous": 1 | |
| }, | |
| "problems_by_status": { | |
| "open": 2075, | |
| "solved": 9 | |
| }, | |
| "problems_by_set": { | |
| "millennium_prize": 6, | |
| "hilbert_problems": 11, | |
| "landau_problems": 1, | |
| "smale_problems": 8, | |
| "darpa_challenges": 17, | |
| "green_problems": 85, | |
| "erdos_problems": 632, | |
| "kourovka_new_problems_21": 150, | |
| "kirby_low_dimensional_topology": 366, | |
| "opengarden": 422 | |
| } | |
| } |