Problem catalogue
Erdős Problems
1,2171,979 source assignments; values remain source-authored.
| Source value | Records |
|---|---|
| additive basis | 31 |
| additive combinatorics | 102 |
| algebra | 1 |
| analysis | 79 |
| arithmetic progressions | 27 |
| base representations | 5 |
| binomial coefficients | 22 |
| chromatic number | 61 |
| combinatorics | 47 |
| complete sequences | 8 |
| convex | 12 |
| covering systems | 22 |
| cycles | 22 |
| diophantine approximation | 7 |
| discrepancy | 16 |
| distances | 55 |
| divisors | 31 |
| factorials | 21 |
| geometry | 110 |
| graph theory | 275 |
| group theory | 8 |
| hypergraphs | 31 |
| intersecting family | 5 |
| irrational | 1 |
| irrationality | 22 |
| iterated functions | 9 |
| number theory | 576 |
| planar graphs | 3 |
| polynomials | 22 |
| powerful | 2 |
| powers | 4 |
| primes | 61 |
| primitive sets | 9 |
| probability | 15 |
| ramsey theory | 114 |
| set theory | 35 |
| sidon sets | 31 |
| squares | 4 |
| topology | 2 |
| turan number | 23 |
| unit fractions | 48 |
| Missing or not supplied | 0 |