More typos than I think I have ever seen in one place at a time. The author also has no idea how to use LaTeX, as she doesn't seem to realize when to use \cdot instead of a period, and \left( instead of (. She also randomly interchanges the usage of the Greek letters Nu and Upsilon as if they were the same letter.As for comprehension, forget about it. She just piles everything together and vomits it on the reader. I'm embarrassed that she is a professor at my University. What a way to defile the image of a school.