"Hiroaki Takeda,Kyohei Yoshida,Manabu Hagiwara,Takuya Hoshina,Shinobu Fujihara,Takaaki Tsurumi","High Temperature Piezoelectric Properties and Mechanical Strength of Ca2Al2SiO7 Single Crystals","The 15th IUMRS-International Conference in Asia",,,,,,2014,Aug. "Kenta Kasai,Manabu Hagiwara,Hideki Imai,Kohichi Sakaniwa","Quantum Error Correction beyond the Bounded Distance Decoding Limit",,"IEEE Transactions on Information Theory",,"vol. 58","no. 2","pp. 1223 --1230",2012,Feb. "Manabu Hagiwara,Kenta Kasai,Hideki Imai,Kohichi Sakaniwa","Non-Binary Quasi-Cyclic Quantum LDPC Codes",,"Proc. of IEEE Interenational Symposium on Information Theory",,,,"pp. 558--562",2011,July "Manabu Hagiwara,Kenta Kasai,Hideki Imai,Kohichi Sakaniwa","Spatially Coupled Quasi-Cyclic Quantum LDPC Codes",,"Proc. of IEEE Interenational Symposium on Information Theory",,,,"pp. 543--547",2011,July