Dear friends and colleagues, on Monday, 15 August 2016, our colleague Haotian Wu is giving a talk in the University of Sydney PDE-Seminar on Linear and dynamical stability in Ricci flow An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts16/wu.xhtml The talk begins at 2pm in room 829 (Access Grid Room) in Carslaw building, Camperdown campus of the University of Sydney. Everybody is invite to join us for lunch on Monday. Best regards, Daniel D and Daniel H PS: If you know suitable speakers or want to give a talk yourself, then please let us know.