This page contains information relevant to the lectures:
Lecture notes and summaries, etc. Note that: The lectures will be "live" (on-line) and
recorded, with the videos later accesible through the
canvas website for this course.
On Fourier Series.  
See the Fourier Series link in this page.
Asymptotics, two timing.
 
See Method of multiple scales
           
in the Lecture Notes in Asymptotics in this page.