Polynomial Time Verification of Behavioral Inheritance for Interworkflows Based on WfMC Protocol. - Shingo Yamaguchi 001; Tomohiro Hirakawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Polynomial Time Verification of Protocol Inheritance between Acyclic Extended Free-Choice Workflow Nets and Their Subnets. - Shingo Yamaguchi 001; Tomohiro Hirakawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Design of semi-sparse multi-band digital filters using branch and bound method. - Masayoshi Nakamoto; Tomohiro Hirakawa; Torn Yamamoto (IECON, 2015)

A GA-based optimization for multi-band digital filters with the sameness conditions of filter coefficients. - Masayoshi Nakamoto; Tomohiro Hirakawa; Naoyuki Aikawa; Torn Yamamoto (IECON, 2016)