For my Math 131 students, here are some documents:

• Homework Sets 4 and 5
  
• Homework Sets 6, 7 and 8
  
• Homework Sets 9, 10 and 11
  
• Exam 3 Practice
  
• Final Exam Practice
  

Here are a few links related to mathematical research:

• Commutative Algebra
• Valuation Theory
• arXiv

A Mathematica Model:

• The Riemann Hull

I used to direct undergraduate research at a summer program jointly hosted by LMU and Cal Poly Pomona:

• Applied Mathematical Sciences Summer Institute (AMSSI)