"Yoshihiko Ito,Yuki Kobayashi,Yuya Higashikawa,Naoki Katoh,Sheung-Hung POON,Maria Saumell","Optimally bracing grid frameworks with holes",,"Theoretical Computer Science",,,,,2015,Aug. "Yoshihiko Ito,Yuki Kobayashi,Yuya Higashikawa,Naoki Katoh,Sheung-Hung Poon,Maria Saumell","Optimally Bracing Grid Frameworks with Holes","The 8th Annual International Conference on Combinatorial Optimization and Applications","Proc. The 8th Annual International Conference on Combinatorial Optimization and Applications",,,," 474--489",2014,