Mathematical circles

Here are my selected lists of problems for mathematical circles and mathematical olympiad camps.

3. To shoot a cannon with sparrows.

2. Cyclotomic polynomials.

1. Number theory with combinatorial flavor.

Problems for olympiads

One of my hobbies is to make problems for mathematical olympiads (some of the problems are based on lemmas in my articles). Here is the list of problems (in Russian)

Problems for students

Here is the list of problems for students (in Russian)