Dear friends and colleagues, on Monday 11 April 2-3pm 2016 Shibing Chen (Australian National University, Canberra) is giving a talk in the PDE Seminar on "Strict convexity and C^{1,\alpha}-regularity of potential functions in optimal transportation under condition (A3w)" An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts16/chen.xhtml The talk is in Carslaw, level 8, Rm 829 (AGR) at the University of Sydney. Everybody is invited to attend the talk and take part at the discussion afterwards in Carslaw Common Room 727 on level 7. 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.