He's a bit overly obsessed with polynomials for the taste of modern maths, but it's still fun.

- Lists of mathematical problems | 13, 291, 3
- The beauty of mathematics | 257, 548, 4
- Mathematics | 17, 10k, 260
- Ciro Santilli's Homepage | 238, 154k, 2k

- Riemann hypothesis | 34