Similar to 中井予想

Ulam spiral

Erdős–Straus conjecture

Anabelian geometry

Enneper surface

Calabi–Yau manifold

Riemann–Roch theorem for surfaces

Gröbner basis

Grothendieck topology

Gromov–Witten invariant

Goormaghtigh conjecture

Collatz conjecture

Sato–Tate conjecture

Zariski topology

Shimura variety

Singmaster's conjecture

Szpiro's conjecture

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

ABC@Home

Abc conjecture

A¹ homotopy theory

K3 surface

P versus NP problem

SYZ conjecture

ℓ-adic sheaf