1. Problems related to the Kneser-Poulsen conjecture Maria Belk

2. A Bunch of Discs

23. Continuous Case Wall Why? Because  =     , where   = size of Wall between discs  and    = change in distance between   and      

24. Continuous Case Why? Because  =     , where   = size of Wall between discs  and    = change in distance between   and      

46. The problems of extending this proof to higher dimensions.

50. Another Example

57. Hyperbolic and Spherical Spaces

62. Tensegrities

83. Remaining Questions