Math 132: Topology II: Smooth Manifolds

Spring 2014, TuTh, Science Center 116

My name: Andrew Cotton-Clay (please call me Andy)

Office: Science Center 527

Office Hours: To be determined

E-mail: acotton at math

TF: John Sheridan, john.sheridan4579 at gmail

Syllabus: Math 132 Syllabus

Course iSite: Math 132 iSite


Problem Sets:

Due Feb 6
Due Feb 13
Due Feb 20
Due Feb 27
Midterm practice problems and solutions
Due Mar 27
Due Apr 24


Lectures:

Mon 1/28: Section 1.1 of [GP]. See also our figure eight curve, its resolution in R^3, and a cross cap. If you take the expressions and enter them in an actual copy of Mathematica, you'll be able to rotate the figures around. Here's another cross cap viewed from a better angle. The the fourth coordinate in the resolution is Sin[2t]. To see this in Mathematica, you can make it a color. Namely, try ParametricPlot3D[{(2-Cos[2t])*Sin[s]*Cos[t], (2-Cos[2t])*Sin[s]*Sin[t], (2-Cos[2t])*(1-Cos[s])}, {s,0,Pi}, {t,0,2*Pi}, ColorFunctionScaling -> False, ColorFunction -> Function[{x,y,z,u,v}, Hue[(1+Sin[2v])/4+1/4]]]. Here I've rescaled and shifted the fourth coordinate a bit to get it to play nicely with Mathematica's Hue function.
Wed 1/30: Cutoff and bump functions (see [GP problem 1.1.5]). Definition of derivative of maps from R^k to R^l. Chain rule. Proof that continuous partials implies differentiable. (See Rudin or Spivak for this background material.) Beginning of 1.2 of [GP] and tangent spaces, with preliminaries on other definitions of tangent spaces.