MATH 456/556: Partial Differential Equations


SYLLABUS


Course Syllabus (PDF)

NOTES


PDE's as conservation laws (PDF)

d'Alembert's solution to the wave equation (PDF)

Linearity and Linear Operators (PDF)

Greens functions and formulas (PDF)

Method of characteristics (PDF)

Exam 2 review problems (from Haberman's text) (PDF)

HOMEWORK/EXAMS


Homework 1 due Jan 25

Homework 2 due Feb 6

Homework 3 due Feb 13

Homework 4 due Feb 20

Exam 1, Feb 25.

Homework 5 due Feb 29

Homework 6 due Mar 12

Homework 7 due Apr 2

Exam 2, April 9.

Homework 8 due Apr 11

Homework 9 due Apr 21

Homework 10 due Apr 30

Homework 11 due May 7

Exam 3, May 2.

Other web resources


Can you hear the shape of a drum?

Notes, examples of 1-D Green's function (courtesy J. Lega)

One of many Green's function tutorials

Brief table of Fourier transforms

Movies / graphics


Sine series example (movie) of f(x) = 1 on [L/4,3L/4], 0 otherwise.

Diffusion equation (Dirichlet BC)

Diffusion equation (Neumann)

Vibrations of a rectangular drum head

Bessel functions

Vibrations of a circular drum head

Historical note on George Green

Seismological Green's functions

Lord Kelvin and the age of the earth

Fundamental solution of the diffusion equation

Fundamental solution of the linearized KdV equation

Diffuse shock movie

Dispersive waves

Instabilities leading to patterns:


Instability of the KS equation: melting snow

Dewetting instability

Turing instabilies

Gray-Scott reaction diffusion model. Look here for more pictures.