Two templates are provided:

1) beamer-TEMPLATE-EN.tex : official beamer TeX template of the postgraduate course. Support for greek is included but never used.  

2) beamer-GENERIC-TEMPLATE-EN.tex: a generic TeX template. Students can use this template and modify it accordingly in
case they do not want to use the official one (i.e. beamer-TEMPLATE-EN.tex). Students are free to modify this template as they see fit. Support for greek is included but never used.