Homework Set 10.
To be handed in Tuesday, Dec 6th.Homework Set 9.
To be handed in Tuesday, Nov 29th.(The infinite spring of course is homeomorphic to R.)
Homework Set 8.
To be handed in Friday, Nov 18th.Homework Set 7.
To be handed in Friday, Nov 11th.Two nice animations:
In addition: FYI  READING
Homework Set 6.
To be handed in Friday, November 4th.MIDTERM INFO 
Date & place: Friday, October 21st, 810 am in 105
Reminder: office hours: Thursday, 23:30pm 
Week 6.
Week 5.
Week 4.
Week 3.
Week 2.
 from Munkres, discussing the torus case in detail
 from Messer and Straffin, discussing the Mobius case in detail
 Stereographic projection  animation
 Stereographic projection from a a complex analysis textbook (since they place the unit sphere differently in the coordinate system as we did in class, the formulae are different a bit)
 The Klein Bottle (and Mobius strip) (animation)
 If you go to Prague, check out this a Mobius mural
 M.C. Escher's famous Mobius strip
 Homework 1 due Friday, September 16th
 NOTES FOR WEEK1
 practice problems, no need to hand them in. Also see the exercises within "Notes for week1"
 Illustration: In topology the cube = the sphere
 R. Messer at al: Topology Now!
 Munkres: Topology
 John Stillwell: Geometry of Surfaces

William Fulton: Algebraic Topology: A First Course
 Alan Hatcher: Algebraic Topology free of charge!
 Jeffrey R. Weeks: The Shape of Space: How to Visualize Surfaces and ThreeDimensional Manifolds

The Shape of the Universe: Ten Possibilities Scientific American article
and more seriously  The class meets Tuesdays and Fridays 8:3010am in Room 105.
 My office hours are: Thursdays, 23:30pm and by appointment
 GRADING: Homework is posted every Friday and is due the next Friday.
 You can get 100 pts on Homework, 100 pts on the Midterm and 100 pts on the Final. That is 300 points altogether. The class is curved with the median placed at around B+. The Midterm date is October 21st, Friday