A method for discriminating efficient candidates with ranked voting data. - Tsuneshi Obata; Hiroaki Ishii (Eur. J. Oper. Res., 2003)

On a Maximum Eigenvalue of Third-Order Pairwise Comparison Matrix in Analytic Hierarchy Process and Convergence of Newton's Method. - Shunsuke Shiraishi; Tsuneshi Obata (Oper. Res. Forum, 2021)

Calculating Maximum Eigenvalues in Pairwise Comparison Matrices for the Analytic Hierarchy Process. - Shunsuke Shiraishi; Tsuneshi Obata (Oper. Res. Forum, 2025)