A Lagrangian Relaxation Algorithm for Modularity Maximization Problem. - Kotohumi Inaba; Yoichi Izunaga; Yoshitsugu Yamamoto (OR, 2014)

Row and Column Generation Algorithm for Maximization of Minimum Margin for Ranking Problems. - Yoichi Izunaga; Keisuke Sato; Keiji Tatsumi; Yoshitsugu Yamamoto (OR, 2014)

A branch-and-price approach with MILP formulation to modularity density maximization on graphs. - Keisuke Sato; Yoichi Izunaga (CoRR, 2017)

An enhanced MILP-based branch-and-price approach to modularity density maximization on graphs. - Keisuke Sato; Yoichi Izunaga (Comput. Oper. Res., 2019)

A doubly nonnegative relaxation for modularity density maximization. - Yoichi Izunaga; Tomomi Matsui; Yoshitsugu Yamamoto (Discret. Appl. Math., 2020)

A Subject Experiment of an Approximate DGS Algorithm: Price Increment, Allocative Efficiency, and Seller's Revenue. - Yoichi Izunaga; Satoshi Takahashi; Naoki Watanabe 001 (IEEE Big Data, 2022)