Course Information

  • Time: Mon 2-4 pm, Wed (biweekly) 10 am-12 pm
  • Location: 三教 307
  • Office hour: M622, Mon 4-6 pm or by appointment
  • TA: 陈祚俣 (12432008 at sustech dot edu dot cn)

Lecture note and reference

references

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

midterm review

final review

lecture note

Lecture note

datefile
9/11Lect 2
9/14Lect 3
9/23Lect 4
9/25Lect 5
9/30Lect 6
10/9Lect 7
10/14Lect 8
10/21Lect 9
10/23Lect 10
10/28Lect 11
11/11See the note above
11/18See the note above
11/20Lect 14
Also see the note for some discussion on Fourier transforms
11/25, 27Lect 15 and 16
12/2, 4Lect 17 and 18
12/9Lect 19
12/16, 18Lect 20 and 21
12/23Lect 22

HW

  • weekly; posted by Wednesday, due next Monday before class.
  • Discussion and collaboration are encouraged, but names of the collaborators should be given in the submitted work.
AssignmentsDue date
HW19/23
HW29/30
HW310/14
HW410/21
HW510/28
HW611/18
HW711/25
HW812/2
HW912/9
HW1012/23

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.