Viewing a single comment thread. View all comments

Cheap_Meeting t1_j972cc6 wrote

First author is a high-school student. Impressive.

40

currentscurrents t1_j97v09x wrote

In Bulgaria, no less.

9

impossiblefork t1_j99edtf wrote

That it's Bulgaria is probably why it's possible at all. Notice 'high school of mathematics'.

Some ex-Soviet/ex-Warsaw pact countries have functioning maths education.

17