Video introduction to field extensions and finite fields

I've just uploaded a video with a brief description of a field extension and the construction of a finite field.

http://faculty.uml.edu/klevasseur/ads2/videos/fields/

Supplementary Exercises for Monoids and Automata

This is a small addition, just 11 additional problems at the end of Chapter 14, on languages. Personally, I haven't used this chapter much lately.

http://applied-discrete-structures.wiki.uml.edu/Monoids+and+Automata