Dear friends and colleagues, on Friday, 12 January 2018, James B. Kennedy (University of Lisbon, Portugal) is giving a talk at the PDE Seminar on "Asymptotically optimal Laplacian eigenvalues and Polya’s conjecture" An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts17/kennedy.xhtml The talk is from 2 pm - 3 pm in Carslaw 535 (on level 5) 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 12:30 pm. Kind regards, Daniel D and Daniel H P.S: If you know suitable speakers or want to give a talk yourself, please let us know.