Optimally rotated vectors. Seddighin, Morteza — 2003 International Journal of Mathematics and Mathematical Sciences
Supersets for the spectrum of elements in extended Banach algebras. Seddighin, Morteza — 1989 International Journal of Mathematics and Mathematical Sciences
Antieigenvalue inequalities in operator theory. Seddighin, Morteza — 2004 International Journal of Mathematics and Mathematical Sciences
Computation of antieigenvalues. Seddighin, Morteza — 2005 International Journal of Mathematics and Mathematical Sciences
On the ideals of extended quasi-nilpotent Banach algebras. Seddighin, Morteza — 1991 International Journal of Mathematics and Mathematical Sciences
On the eigenvalues which express antieigenvalues. Seddighin, Morteza; Gustafson, Karl — 2005 International Journal of Mathematics and Mathematical Sciences