Course Description  Concepts and examples of partial differential equations (PDE). Notion of wellposed problems. Basics of wave equations and diffusion equations. Fourier series, orthogonal expansions, and eigenvalue problems. SturmLiouville theory. Separation of variables for PDEs. Laplace's equation and Poisson's equation. 
Prerequisites  Math 20D and either 20F or Math 31AH, or consent of instructor. 
Textbook 
W. A. Strauss, Partial Differential Equations: An Introduction, 2nd ed., Wiley, 2007.
Note: We will cover most of chapters 1  6. Note: A copy of the textbook is on reserve in the library. 
Syllabus  Click here to see a tentative schedule of lectures and topics. 
Instructor  Professor Bo Li. Office: AP&M 5723. Phone: (805) 5346932. Email: bli@math.ucsd.edu. Office hours: 11:15 am  12:00 noon, Mondays and Fridays. 
Teaching Assistants 
Mr. Benjamin Ciotti.
Office: AP&M 5712.
Email: bciotti@ucsd.edu.
Office hours:
1:00  3:00 Mondays,
1:00  2:00 Wednesdays, and 11:00  12:00 Thursdays.
Mr. Donlapark Pornnopparath. Office: AP&M 5829. Email: dpornnopparath@ucsd.edu. Office hours: 9:00  11:00, Thursdays. 
Grader  Mr. Yuwen Li. Office: AP&M 6414. Email: yul739@ucsd.edu. 
Lectures  10:00 am  10:50 am, Mondays, Wednesdays, and Fridays, Center Hall 109. 
Discussion Sessions 
A01, 9:00 am  9:50 am, Thursdays, AP&M B412.
TA: Benjamin Ciotti.
A02, 10:00 am  10:50 am, Thursdays, AP&M B412. TA: Benjamin Ciotti. A03, 8:00 am  8:50 am, Thursdays, AP&M 5402. TA: Donlapark Pornnopparath. 
Homework 
Homework will be assigned, collected, and partially graded regularly.
Unless otherwise instructed, each homework is due in homework dropbox by
4:00 pm of Friday, a week after its assigned.
One homework assignment with the lowest score will be dropped.
Note: no late homework will be accepted unless a written verification of a valid excuse (such as hospitalization, family emergency, religious observance, court appearance, etc.) is provided.

Exams 
There will be two midterm and one final, closebook and closenote exams.
No calculators will be allowed in these exams. The final exam will be cumulative.
Midterm Exam 1: 10:00 am  10:50 am, Friday, October 21, 2016, Center Hall 109. Midterm Exam 2: 10:00 am  10:50 am, Friday, November 18, 2016, Center Hall 109. Final Exam: 8:00 am  10:59 am, Friday, December 9, 2016. Place: Center Hall 109. Note: neither rescheduled nor makeup exams will be allowed unless a written verification of a valid excuse (such as hospitalization, family emergency, religious observance, court appearance, etc.) is provided. 
Grading  The final course grade will be determined based on the homework and exams with the weights: homework  10%, midterm exam 1  25%, midterm exam 2  25%, and the final exam  40%. The final course grades will be curved. 
Academic Integrity  All students are expected to conduct themselves with academic integrity. Violations of academic integrity will be treated seriously. See the official UCSD Policy on Integrity of Scholarshiop and the related information. 