Acknowledgements Acknowledgements
I am grateful to
Anita Liebenau
for creating all of the attractive mathematical figures in these notes. Any untidy-looking hand-drawn mathematical figures were created by the author. There are several artistic pictures in the notes that were created using Midjourney AI
based on prompts supplied by the author.Thank you to all of the past students who have taken the course
Math 426/529
at the University of Victoria that these notes are based on. The questions, comments and ideas that you have raised in class have inspired a few new exercises and examples and countless improvements to the exposition in these notes.