On December 8, Dr. Ryosuke Iritani (iTHEMS) gave a talk in Math Seminar. He talked about expectation value of certain random variables. He and his collaborators obtained a result on its explicit formula together with an algorithm of its fast calculation.
This was the last Math Seminar talk of the year 2021. After the seminar there was an online Christmas party.

Reported by Michiya Mori