Seok-Zun Song

A conjecture on permanents

Seok-Zun Song, S. Song, 1995 .

Minimum permanents on certain doubly stochastic matrices. II

Seok-Zun Song, S. Song, 1991 .

Minimum permanents on certain faces of matrices containing an identity submatrix

Seok-Zun Song, 1988 .