. . . "34708696"^^ . . "In mathematics, the determinantal conjecture of Marcus and de Oliveira asks whether the determinant of a sum A + B of two n by n normal complex matrices A and B lies in the convex hull of the n! points \u03A0i (\u03BB(A)i + \u03BB(B)\u03C3(i)), where the numbers \u03BB(A)i and \u03BB(B)i are the eigenvalues of A and B, and \u03C3 is an element of the symmetric group Sn."@en . . . . . . . "Determinantal conjecture"@en . . . . . . "In mathematics, the determinantal conjecture of Marcus and de Oliveira asks whether the determinant of a sum A + B of two n by n normal complex matrices A and B lies in the convex hull of the n! points \u03A0i (\u03BB(A)i + \u03BB(B)\u03C3(i)), where the numbers \u03BB(A)i and \u03BB(B)i are the eigenvalues of A and B, and \u03C3 is an element of the symmetric group Sn."@en . . . . . . . . . "1120046466"^^ . "1092"^^ .