Lower Hemicontinuity of the Budget Set Correspondence 

Thanks for the greetings! I'm glad the video was helpful.

I write on a glass screen, in the normal way, with camera on the other side, and then flip the resulting video via software. Watch this: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Adm2raocQZ4.html Matt Anderson uses a mirror in order to do a live presentation, but I flip it in post-processing.

@@ArizonaMathCamp tnq