Jailed Russian mathematician Azat Miftakhov publishes paper solving Chui’s Conjecture in French journal
The French mathematics journal Revue de la filière mathématique has published an article by Russian political prisoner Azat Miftakhov, “La conjecture de Chui dans un cadre hilbertien” (“Chui’s Conjecture in a Hilbert Space”).
Miftakhov solved the problem while he was held in a prison in Dimitrovgrad, his support group’s Telegram channel said. French mathematician Bernard Randé, a member of the international group supporting Miftakhov, helped secure publication of the article.
This is the third paper Miftakhov has published abroad since his arrest, according to the group’s Telegram channel, FreeAzat!
Miftakhov, an anarchist and a former Moscow State University graduate student, has been in custody since February 2019. He was first sentenced for preparing an attack on the office of the ruling United Russia party, then convicted under a statute banning the “justifying terrorism.” Since April 2026, he has been held at the “Polar Owl” penal colony in Kharp, in the Yamalo-Nenets Autonomous District. Alexey Navalny was killed in February 2024 at a different colony in Kharp, “Polar Wolf.”
Revue de la filière mathématique was founded in 1890 and is published quarterly.
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