Characteristic Classes: Lecture 1

In this introduction to characteristic classes we begin to understand the description of the subject as "using cohomology to vector bundles." We then start our more formal work by defining vector bundles. If you want to be able to look at the entire whiteboard (to refer to something as I'm talking about it), it is at (first tab of): https://awwapp.com/b/uwvt5lrbdl3rw/