In matrix theory, a generalized permutation matrix is a matrix with the same nonzero pattern as a permutation matrix, i.e. there is exactly one nonzero entry in each row and each column.
... America, visited Siberia
I
Helge Ingstad, (1899-2001), Norwegian, Danish explorer, Governor of Greenland
J
Louis Joliet, (1645-1700)
Richard Jobson
L
Jean François ...