We will have the 2nd public ExU Online Colloquium “Public ExU Colloquium” on December 20th (Fri) 17:00 (JST). The speaker is Prof. Roberto Emparan (University of Barcelona). For details, please refer to the poster. If you have not registered yet, please register at our online event website at least three days prior to the colloquium. (It is not necessary to register again if you have done it already.)