Dear friends and colleagues, on Monday12 October 2015 Leo Tzou (University of Sydney) is giving a talk in our PDE Seminar on Topology, Index Theory, and Scattering on Surfaces With Euclidean Ends An abstract is available at http://www.maths.usyd.edu.au/u/PDESeminar/abstracts15/tzou.xhtml The talk is in Carslaw Carslaw Room 535A starting 2pm at the University of Sydney. Best regards, Daniel D and Daniel H P.S: If you know suitable speakers or want to give a talk yourself please let us know.