Geodesic
Permanents of (0, 1)-Circulants
Canadian mathematical bulletin, Tome 7 (1964) no. 2, pp. 253-263

Voir la notice de l'article provenant de la source Cambridge University Press

The permanent of an n-square matrix A = (aij) is defined by where the summation extends over all permutations σ of the symmetric group Sn. A matrix is said to be a (0, 1)-matrix if each of itsentries is either 0 or 1. A (0, 1)-matrix of n-1 the form , where θj = 0 or 1, j = 1,..., n, and Pn is the n-square permutation matrix with ones in the (1, 2),(2, 3),..., (n-1, n), (n, 1) positions, is called a (0, 1)-circulant. Denotethe (0, 1)-circulant . It hasbeen conjectured that 1 
Minc, Henryk. Permanents of (0, 1)-Circulants. Canadian mathematical bulletin, Tome 7 (1964) no. 2, pp. 253-263. doi: 10.4153/CMB-1964-023-3
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