Edit Profile (opens in new tab) Sekigawa, Hiroshi Co-Author Distance Author ID: sekigawa.hiroshi Published as: Sekigawa, Hiroshi; Sekikawa, Hiroshi Documents Indexed: 39 Publications since 1995 1 Contribution as Editor Co-Authors: 18 Co-Authors with 25 Joint Publications 184 Co-Co-Authors all top 5 Co-Authors 15 single-authored 10 Shirayanagi, Kiyoshi 4 Kawano, Yasuhito 2 Fukasaku, Ryoya 2 Koyama, Kenji 2 Nakajima, Yumi 2 Numahata, Dai 2 Sato, Yosuke 1 Hiyoshi, Hisamoto 1 Kai, Hiroshi 1 Khungurn, Pramook 1 Kondo, Kazuki 1 Nabeshima, Katsusuke 1 Nakanishi, Masaki 1 Nakashima, Yasuhiko 1 Nakayama, Hiroki 1 Rump, Siegfried Michael 1 Tsuruoka, Yukio 1 Yamashita, Shigeru all top 5 Serials 6 RIMS Kokyuroku 6 ACM Communications in Computer Algebra 3 Theoretical Computer Science 3 Journal of Symbolic Computation 2 Mathematics of Computation 2 Quantum Information & Computation 1 Mathematics in Computer Science all top 5 Fields 22 Computer science (68-XX) 17 Numerical analysis (65-XX) 8 Number theory (11-XX) 6 Field theory and polynomials (12-XX) 5 Functions of a complex variable (30-XX) 4 Commutative algebra (13-XX) 4 Quantum theory (81-XX) 2 Group theory and generalizations (20-XX) 1 General and overarching topics; collections (00-XX) 1 Mathematical logic and foundations (03-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Real functions (26-XX) 1 Dynamical systems and ergodic theory (37-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 17 Publications have been cited 45 times in 27 Documents Cited by ▼ Year ▼ The nearest polynomial with a zero in a given domain. Zbl 1156.65046 Sekigawa, Hiroshi 6 2008 On the location of zero of an interval polynomial. Zbl 1117.12001 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 5 2007 On searching for solutions of the diophantine equation \(x^ 3+y^ 3+z^ 3=n\). Zbl 0880.11028 Koyama, Kenji; Tsuruoka, Yukio; Sekigawa, Hiroshi 5 1997 Locating real multiple zeros of a real interval polynomial. Zbl 1356.65128 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 5 2006 The nearest polynomial to multiple given polynomials with a given zero. Zbl 1345.68295 Sekigawa, Hiroshi 5 2014 The ratio between the Toeplitz and the unstructured condition number. Zbl 1203.15004 Rump, Siegfried M.; Sekigawa, Hiroshi 4 2010 Computing the nearest polynomial with a zero in a given domain by using piecewise rational functions. Zbl 1252.65088 Sekigawa, Hiroshi 2 2011 The nearest polynomial to multiple given polynomials with a given zero in the real case. Zbl 1375.65069 Sekigawa, Hiroshi 2 2017 Quantum Fourier transform over symmetric groups. Zbl 1360.81111 Kawano, Yasuhito; Sekigawa, Hiroshi 2 2013 On continuity of the roots of a parametric zero dimensional multivariate polynomial ideal. Zbl 1467.13053 Sato, Yosuke; Fukasaku, Ryoya; Sekigawa, Hiroshi 2 2018 On the location of pseudozeros of a complex interval polynomial. Zbl 1140.12001 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 1 2007 Nonexistence conditions of a solution for the congruence \(x_1^k+\cdots+x_s^k\equiv N\pmod{p^n}\). Zbl 0924.11025 Sekigawa, Hiroshi; Koyama, Kenji 1 1999 Minimum converging precision of the QR-factorization algorithm for real polynomial GCD. Zbl 1190.65068 Khungurn, Pramook; Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 1 2007 On real factors of real interval polynomials. Zbl 1190.68094 Sekigawa, Hiroshi 1 2007 A new Gröbner basis conversion method based on stabilization techniques. Zbl 1181.68329 Shirayanagi, Kiyoshi; Sekigawa, Hiroshi 1 2008 Quantum Fourier transform over symmetric groups – improved result. Zbl 1332.81032 Kawano, Yasuhito; Sekigawa, Hiroshi 1 2016 Reducing exact computations to obtain exact results based on stabilization techniques. Zbl 1356.68295 Shirayanagi, Kiyoshi; Sekigawa, Hiroshi 1 2009 On continuity of the roots of a parametric zero dimensional multivariate polynomial ideal. Zbl 1467.13053 Sato, Yosuke; Fukasaku, Ryoya; Sekigawa, Hiroshi 2 2018 The nearest polynomial to multiple given polynomials with a given zero in the real case. Zbl 1375.65069 Sekigawa, Hiroshi 2 2017 Quantum Fourier transform over symmetric groups – improved result. Zbl 1332.81032 Kawano, Yasuhito; Sekigawa, Hiroshi 1 2016 The nearest polynomial to multiple given polynomials with a given zero. Zbl 1345.68295 Sekigawa, Hiroshi 5 2014 Quantum Fourier transform over symmetric groups. Zbl 1360.81111 Kawano, Yasuhito; Sekigawa, Hiroshi 2 2013 Computing the nearest polynomial with a zero in a given domain by using piecewise rational functions. Zbl 1252.65088 Sekigawa, Hiroshi 2 2011 The ratio between the Toeplitz and the unstructured condition number. Zbl 1203.15004 Rump, Siegfried M.; Sekigawa, Hiroshi 4 2010 Reducing exact computations to obtain exact results based on stabilization techniques. Zbl 1356.68295 Shirayanagi, Kiyoshi; Sekigawa, Hiroshi 1 2009 The nearest polynomial with a zero in a given domain. Zbl 1156.65046 Sekigawa, Hiroshi 6 2008 A new Gröbner basis conversion method based on stabilization techniques. Zbl 1181.68329 Shirayanagi, Kiyoshi; Sekigawa, Hiroshi 1 2008 On the location of zero of an interval polynomial. Zbl 1117.12001 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 5 2007 On the location of pseudozeros of a complex interval polynomial. Zbl 1140.12001 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 1 2007 Minimum converging precision of the QR-factorization algorithm for real polynomial GCD. Zbl 1190.65068 Khungurn, Pramook; Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 1 2007 On real factors of real interval polynomials. Zbl 1190.68094 Sekigawa, Hiroshi 1 2007 Locating real multiple zeros of a real interval polynomial. Zbl 1356.65128 Sekigawa, Hiroshi; Shirayanagi, Kiyoshi 5 2006 Nonexistence conditions of a solution for the congruence \(x_1^k+\cdots+x_s^k\equiv N\pmod{p^n}\). Zbl 0924.11025 Sekigawa, Hiroshi; Koyama, Kenji 1 1999 On searching for solutions of the diophantine equation \(x^ 3+y^ 3+z^ 3=n\). Zbl 0880.11028 Koyama, Kenji; Tsuruoka, Yukio; Sekigawa, Hiroshi 5 1997 all cited Publications top 5 cited Publications all top 5 Cited by 40 Authors 9 Sekigawa, Hiroshi 5 Hu, Wenyu 2 Fukasaku, Ryoya 2 Huang, Jinhong 2 Kaltofen, Erich L. 2 Koyama, Kenji 2 Luo, Zhongxuan 2 Sato, Yosuke 2 Shirayanagi, Kiyoshi 2 Tu, Zhihui 2 Yu, Gaohang 1 Booker, Andrew R. 1 Bünger, Florian 1 Diao, Huaian 1 Iwane, Hidenao 1 Jensen, Kim Yarbrough 1 Katayama, Akiyuki 1 Kawano, Yasuhito 1 Li, Bin 1 Li, Hongbo 1 Li, Shenghao 1 Li, Yang 1 Luo, Xingjun 1 Markwig, Thomas 1 Nabeshima, Katsusuke 1 Pine, Eric 1 Qiao, Sanzheng 1 Ren, Yue 1 Ruatta, Olivier 1 Sciabica, Mark 1 Shao, Changpeng 1 Sheen, Dongwoo 1 Szántó, Ágnes 1 Tarrant, Wayne 1 Wang, Tinghua 1 Wei, Yimin 1 Yang, Zhengfeng 1 Zhang, Zichang 1 Zhi, Lihong 1 Zhou, Duanmei all top 5 Cited in 12 Serials 7 Theoretical Computer Science 5 Journal of Symbolic Computation 3 Mathematics of Computation 1 Rocky Mountain Journal of Mathematics 1 Applied Mathematics and Computation 1 Journal of Computational and Applied Mathematics 1 Applied Mathematics Letters 1 Advances in Computational Mathematics 1 Journal of Systems Science and Complexity 1 Mathematics in Computer Science 1 ACM Communications in Computer Algebra 1 Research in Number Theory all top 5 Cited in 14 Fields 11 Numerical analysis (65-XX) 9 Computer science (68-XX) 6 Number theory (11-XX) 5 Commutative algebra (13-XX) 4 Field theory and polynomials (12-XX) 3 Real functions (26-XX) 3 Operations research, mathematical programming (90-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Quantum theory (81-XX) 1 Algebraic geometry (14-XX) 1 Associative rings and algebras (16-XX) 1 Group theory and generalizations (20-XX) 1 Functions of a complex variable (30-XX) 1 Probability theory and stochastic processes (60-XX) Citations by Year