On a reduction of the weighted induced bipartite subgraph problem to the weighted independent set problem. - Yotaro Takazawa; Shinji Mizuno (CoRR, 2018)

Approximation algorithms for the covering-type k-violation linear program. - Yotaro Takazawa; Shinji Mizuno; Tomonari Kitahara (Optim. Lett., 2019)

An approximation algorithm for the partial covering 0-1 integer program. - Yotaro Takazawa; Shinji Mizuno; Tomonari Kitahara (Discret. Appl. Math., 2020)

Approximation algorithm for the stochastic prize-collecting set multicover problem. - Yotaro Takazawa (Oper. Res. Lett., 2022)