Category:数学のオープンプロブレム

List of unsolved problems in mathematics

Riemann hypothesis

Hodge conjecture

Navier–Stokes existence and smoothness

Collatz conjecture

Lychrel number

Beal conjecture

Fermat–Catalan conjecture

Ruth–Aaron pair

Pierce–Birkhoff conjecture

Moving sofa problem

Yang–Mills existence and mass gap

Isomorphism problem of Coxeter groups

L (complexity)

Conway's 99-graph problem

Farrell–Jones conjecture

Andrica's conjecture

Class number problem

Erdős–Straus conjecture

Kobon triangle problem

Smale's problems

Burnside problem

List of unsolved problems in statistics

Sums of three cubes

Hilbert's problems

Millennium Prize Problems