The versatility of integrability : in memory of Igor Krichever : IDPEIS-22, Isomonodromic Deformations, Painlevé Equations, and Integrable Systems, June 27-July 1, 2022, virtual, hosted [...] / Mikhail Bershtein, Anton Dzhamay, Andrei Okounkov, editors. [Providence] : American Mathematical Society, [2025], © 2025