Automatic design of RC polyphase filters with small element value spread using genetic algorithm. - Nobukazu Takai; Yoshiki Sugawara; Kento Suzuki; Takayuki Negishi; Hiroaki Seki; Masato Kato (ISPACS, 2015)

On Volume Functions of Special Flow Polytopes Associated to the Root System of Type $A$. - Takayuki Negishi; Yuki Sugiyama; Tatsuru Takakura (Electron. J. Comb., 2020)