Vertices of the Birkhoff polytope of 3-dimensional matrices of order 4

<p>533 equivalence classes of vertices of the polytope of 3-dimensional polystochastic matrices of order 4 in lexicographic order (including 21 vertices missed in first version).</p> <p>Format of data: entries of matrix / common denominator; size of support; value of permanent rounded to four decimals; exact value of permanent; number of automorphims</p>