thank you very much all right so let's get started welcome back to the lecture nine I'm actually not sure Oh keep unsupervised learning something lecture something and so we will have a two part lectures today the first part we would look at something called unsupervised distribution alignment it also goes by a lot of other names and then the second part would be a guest lecture by Professor Alyosha to talk about some of I guess the works from his lab so any logistics questions before we dive into your lecture mouse tone can we