The width of 4-prismatoids
    Speaker: 
  
  
  
      Tamon Stephen, Simon Fraser University  
Date and Time: 
Tuesday, September 20, 2011 - 3:30pm to 4:30pm
Abstract: 
Santos' recent construction of a counterexample to the Hirsch conjecture highlights a particular 5-dimensional "prismatoid" polytope. We use the Euler characteristic to prove that there is no analogous 4-dimensional prismatoid.
This is joint work with Francisco Santos and Hugh Thomas.

