High Quality Content by WIKIPEDIA articles Victor Alexandrovich Kolyvagin (Russian: Víktor Aleksándrovich Kolyvágin) is a Russian mathematician who wrote a series of papers on Euler systems, leading to breakthroughs on the Birch and Swinnerton-Dyer conjecture, and Iwasawa's conjecture for cyclotomic fields. His work also influenced Andrew Wiles's work on Fermat's Theorem.