Bru García, Rafael; Gasso Matoses, María Teresa; Gimenez Manglano, María Isabel; Santana, Maximo(Hindawi Publishing Corporation, 2014-04)
The combined matrix of a nonsingular real matrix 𝐴 is the Hadamard (entrywise) product 𝐴 ∘ (𝐴−1)
𝑇
. It is well known that row
(column) sums of combined matrices are constant and equal to one. Recently, some results ...