The Faculty of Mathematics cordially invites you to the Israel Pollak Distinguished Lecture Series (see the attached invitation).   The lectures will be given by Prof. Lenya Ryzhik (Stanford U.):   Lecture 1: "The resilience of the Fisher-KPP equation" - Monday, May 1, 2023,  14:30, Amado 232, Faculty of Mathematics.   Lecture 2:  "The Fisher-KPP equation and voting models" - Wednesday, May 3, 2023, 14:30, Amado 232, Faculty of Mathematics.   Light refreshments will be served before the lectures on the 8^th floor.   We will be happy to see you in the lectures.