Dear friends and colleagues, on Monday, 14 March 2016 from 1 to 2pm Leo Tzou (University of Sydney) is giving a talk in the PDE Seminar on "Detecting magnetic gauge by wave scattering" An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts16/tzou.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.