Thick and thin

Mostly math with Robert

  1. Representing permutations relatively
  2. Representing permutations
  3. Generating Jordan, 6
  4. Generating Jordan, 5
  5. Generating Jordan, 4
  6. Generating Jordan, 3
  7. Generating Jordan, 2
  8. Generating Jordan, 1
  9. Whence topology, 4
  10. Whence topology, 3
  11. Whence topology, 2
  12. Whence topology