Introductory Topology
Fall 2009

Homework 3

Exercises from the textbook: (problems marked * are bonus ones)

1. p.112: 20.W
2. pp.115-116: 21.7, 21.R
3. pp.119-121: 22.H, 22.5-22.7, 22.12, 22.15*
4. p.123: 22.23*, 22.25*
5. p.125: 22.V
6. p.128: 23.H
7. p.149: 27.14x
8. p.159: 29.Nx
9. Recognize the following configuration spaces: <2,3,2;3>; <2,1,1,2;2>

Due date: Thursday, Ocober 23, in the class.