These notes are copyrighted material and may not be used in any way for the profit or
credit of any individual or institution without the express written consent of the author.

The author hereby grants permission to copy and use these notes for instructional
purposes in a class or seminar, including one copy for each student, instructor, or course
assistant/grader provided:

i) there is no charge to the recipient beyond the cost of repreoducing the notes
ii) that the cover page for the notes, and a sopy of this page, is included.