Dear friends and colleagues, on Friday 17 November 2017, Professor Noureddine Igbida (University of Limoges, France) is giving a talk in the PDE Seminar on "Hamilton-Jacobi equation and least worst strategy" An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts17/igbida.xhtml The talk is from 2 pm - 3 pm in Carslaw Lecture Theatre 275 on the Camperdown Campus at the University of Sydney. Everybody is invited to attend the talk, take part in the discussion afterwards in Carslaw Common Room 727 on level 7, and to join us for lunch at 12 noon. Kind regards, Daniel H On behalf of the organisers