Summary: Review of Proofs and Confirmations: the story
of the alternating sign matrix conjecture
by David Bressoud
Jeremy Avigad
September 10, 2001
1 Overview
An alternating sign matrix is a square matrix whose entries are all either 0, 1,
or -1, with the properties that each row and each column sums to 1, and that
the non-zero entries in each row and column alternate in sign. For example,




0 1 0 0
1 -1 0 1
0 1 0 0
0 0 1 0

Source: Avigad, Jeremy - Departments of Mathematical Sciences & Philosophy, Carnegie Mellon University

Collections: Multidisciplinary Databases and Resources; Mathematics