It's a weird article. I think this idea of 'Russian math' is very nebulous, and is probably used as marketing tool nowadays by some schools abroad. I have graduated from one of the top physics/maths high schools in Russia, and yes we had great math education there, but that was an outlier. Outside a handful of schools the math education is pretty dismal. And even in the good math schools there are different ways of t…
I've been studying in a "respected" Soviet / early post-Soviet school.
These classes were super elitist and had a huge disconnect in their level from what you were taught in regular classes.
I was a straight A student and was shut off very quickly. The problems were enormous in their difficulty and teachers had zero interest in helping or educating you.
Those classes were either for 0,1% genius olympiadniks to be later recruited for Soviet science or defense, or for 0,1% elite (Soviet nomenclature) kids whose parents could afford private education.
Along with other naive/poor kids I was quite quickly reminded that I'm not welcome in the circle.
Just a reminder that Soviet system had very entrenched elites and huge discrepancy in access to education, medicine and goods.