link update

index.html

@@ -1575,7 +1575,7 @@ <h2>Acknowledgments</h2>
 <li>Martin Eker&aring;</li>
 <li><a href="http://web.maths.unsw.edu.au/~igorshparlinski/">Igor Shparlinski</a></li>
 <li>Timothy Chase</li>
-<li><a href="https://www.icfo.eu/lang/about-icfo/people/people_details?people_id=892">Alejandro Pozas-Kerstjens</a></li>
+<li><a href="https://www.alexpozas.com">Alejandro Pozas-Kerstjens</a></li>
 <li><a href="https://www.csail.mit.edu/person/nikhil-vyas">Nikhil Vyas</a></li>
 <li><a href="https://kevinlui.org/">Kevin Lui</a></li>
 <li><a href="http://insti.physics.sunysb.edu/~korepin/">Vladimir Korepin</a></li>