1:55 AM
huh for some reason i forgot those pings
improper rotations are like rotations except that they are mixed with a reflection in some annoying way. when you have an A+E representation, after branching it becomes a normal rotation on the E part and a reflection on the A part, so they are pretty much like the rotations in anything we are interested about
also 100 euros is a lot, I think I would have to spend monday night at least, since your talk is on tuesday morning ?
