2015 — D.Sc. in Mathematics and Physics («Discrete Mathematics and Mathematical Cybernetics»)
Institution: St. Petersburg Department of Steklov Mathematical Institute
Thesis title: The Structure of Connectivity of a Graph
2004 — Ph.D. (C.Sc.) in Mathematics and Physics («Discrete Mathematics and Mathematical Cybernetics»)
Institution: St. Petersburg State University
Thesis title: The Structure of Decomposition of a k-Connected Graph
Advisor: Y.V. Matiyasevich
1997 — Specialist Degree in Mathematics
Institution: St. Petersburg State University
Graph theory: connectivity, colorings, planarity and others.