For the slide presentation on "The Pros And Cons Of Being Top-Heavy", please go to http://www.prado.com/~paseman/icm02sl.html. This was given at the 2002 ICM in Beijing.
For the attendant discussion on Top-Heavy families, please be patient.
For the slide presentation on "A Different Approach to Hadamard's Maximum Determinant Problem", please go to http://www.prado.com/~paseman/icm98sl.html. THis was given at the 1998 ICM in Berlin.
For notes on an explanation of a uniform lower bound on the determinant function c(n) for {1,-1} matrices, please go to http://www.prado.com/~paseman/lwrbnd.html.
For (as yet incomplete) notes on the spectrum for 0-1 matrices of order at most 7, please go to http://www.prado.com/~paseman/detspec.html.
E-mail paseman@prado.com for questions or requests for updates.