He's a bit overly obsessed with polynomials for the taste of modern maths, but it's still fun.
- Lists of mathematical problems | 13, 293, 3
- The beauty of mathematics | 259, 552, 4
- Mathematics | 17, 13k, 336
- Ciro Santilli's Homepage | 262, 182k, 3k
- Riemann hypothesis | 34