R. Grone and R. Merris, Conjectures on permanents, Linear
& Multilinear Algebra 21 (1987), 419-427. Research supported
by ONR contract 85-K-0335. Math Reviews 89b: 15006.
The focus of this article is on research
problems involving the permanent function.
Conjecture 5 was affirmed in R. Grone and S. Pierce, SIAM
J. Matrix Anal. Appl. 9 (1988), 194-201.
The statement in the middle of p. 424 concerning the limiting
value of the permanent of Y_n was affirmed by C. L. Frenzen and
I. Fischer, SIAM J. Matrix Anal. Appl. 14 (1993), 74-81.
Among the publications citing this article are
T. Pate, Linear Algebra Appl. 255 (1997), 203-242.
T. Pate, Proc. London Math. Soc. 76 (1998), 307-358.
Gi-Sang Cheon and Ian M. Wanless, Linear Algebra Appl.
(2005), 314-342.