Nalini Joshi<p>One of the great <a href="https://mathstodon.xyz/tags/mathematicians" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mathematicians</span></a> of the theory of integrable systems has passed away: Igor <a href="https://mathstodon.xyz/tags/Krichever" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Krichever</span></a> (1950-2022) was instrumental in developing algebro-geometric methods to construct higher <a href="https://mathstodon.xyz/tags/genus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>genus</span></a> solutions of <a href="https://mathstodon.xyz/tags/soliton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>soliton</span></a> equations 👉🏼 <a href="https://www.math.columbia.edu/~woit/wordpress/?p=13200" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">math.columbia.edu/~woit/wordpr</span><span class="invisible">ess/?p=13200</span></a> . He gave a plenary talk at the <a href="https://mathstodon.xyz/tags/ICM2022" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ICM2022</span></a> 📽️ <a href="https://www.youtube.com/watch?v=LliT-96R1mQ&amp;t=1529s" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=LliT-96R1m</span><span class="invisible">Q&amp;t=1529s</span></a></p>