Hello all, The next MaPSS talk of this semester will be at 17:00 on Mon 2nd of September in Carslaw 535. It’s a great opportunity to meet fellow postgrads, listen to an interesting talk, and of course get some free pizza! ************************************************************************************** Speaker: Vishnu Mangalath Title: A Brief Introduction to Gauges Abstract: In this talk I will explain the concept of a "gauge". Gauges, while being mostly used in theoretical physics, are no more than a choice of local "coordinate system" which varies according to some base space. After presenting some basic definitions, I will work through several examples of gauge freedom, and time permitting give an application of gauge transformations in a differential geometric setting. Knowledge of basic undergraduate algebra and differential geometry/topology will be helpful but not required. ************************************************************************************** See you there! Details can also be found on the school’s Postgraduate Society website: http://www.maths.usyd.edu.au/u/MaPS/mapss.2019.html Cheers, Wenqi