Course Information

  • Time: Tue 10 am - 12 pm, Thur 10 am - 12 pm (biweekly)
  • Location: 三教 304
  • Office hour: Wed 10 am - 12 pm, M622
  • TA: 程子苓 (chengzl@sustech.edu.cn)

Lecture note and reference

lecture note (last update: Oct 10)

  • Evans, Lawrence C., Partial Differential Equations. Vol 19, Graduate Studies in Mathematics, AMS
  • 周蜀林, 偏微分方程, 北京大学出版社
  • Qing Han, Fanghua Lin, Elliptic Partial Differential Equations. 2nd ed, AMS Lecture Notes.
  • Strauss, Walter A., Partial Differential Equations: An Introduction. 2nd ed, Wiley, 2008
  • Courant, R., and Hilbert D., Methods of Mathematical Physics II: Partial Differential Equations. 1st ed, Wiley, 1989

HW

weekly; posted by Thursday, due next Tuesday before class.

AssignmentsDue date
HW19/16
HW29/23
HW39/30
HW410/14

Grading scheme

%
Participation5%
HW assignments20%weekly
Mid-term25%
Final50%

Schedule (tentative)

LectureContent
1Introduction to PDEs: important examples, classical solutions, initial values and boundary conditions, well-posedness, classification.
2First-order equations: transport problem, methods of characteristics, formation of shocks.
3-6Parabolic (Heat) equation: Fourier transform, fundamental solutions; maximum principle and energy estimates; mixed boundary conditions
7-11Elliptic equations: Laplace and Poisson’s equation; harmonic function, mean-value properties, maximum principle; fundamental solutions, Green’s functions; energy method; eigenvalue problem and separation of variables, Parron’s method.
12Midterm
13-16Wave equation: solutions formula in dimension 1, 2 and 3; domain of influences; separation of variables, plane and traveling waves.
17-20Calculus of Variation: Sobolev spaces, weak solutions and convergence, Lax-Milgram Theorem
21-23Nonlinear first-order equations: Hamilton–Jacobi equation, entropy solutions, shocks, Hopf–Lax formula.