Principles of Applied Mathematics, James Keener.
Homework (all with respect to the new book), due Jan 20: 1.1:1,2,3,6,9c; 1.2:3,4;1.4:4
HW 1.3:2a,1.4:2,3,4 This handout All Due Jan 25
HW:2.1:1,3,8,11; 2.2:2a,b,3,4,8b,9,14; Due Feb 16
Consider the equation:
u'' + epsilon u' [ A + B u^2 + C u^4] + u =0
For what values of A,B,C do there exist two limit cycles for epsilon small? If A is positive, show that the equilibrium point u=0 is stable.