Topologi på roterommet

BID, February 2013 (At h-bar)

1. Is size always important?
2. To comb the hair of a sphere
3. The Euler charcteristic
4. Fusion reactors
5. A flat world?
6. Pacman's universe
7. What is the shape of space?
8. A flat but finite universe
A. State spaces
B. The study of spaces
C. What is a deformation?
D. How to calculate with spaces

jorden er ikke flat

Is the Earth flat?

  1. Is the Earth infinite?
  2. If the Earth is flat and finite, what happens where it ends?
  3. If the Earth is not flat, what is its shape?


Rompetrollgalaxe

Is space flat?

  1. Is space infinite?
  2. If space is flat and finite, what happens where it ends?
  3. If space is not flat, what is its shape?


Bjørn Ian Dundas