Edit Profile (opens in new tab) Hayami, Ken Co-Author Distance Author ID: hayami.ken Published as: Hayami, Ken; Hayami, K. External Links: Wikidata Documents Indexed: 48 Publications since 1990 3 Contributions as Editor Co-Authors: 36 Co-Authors with 42 Joint Publications 821 Co-Co-Authors all top 5 Co-Authors 5 single-authored 10 Morikuni, Keiichi 10 Yin, Junfeng 8 Zheng, Ning 4 Reichel, Lothar 4 Sauter, Stefan A. 3 Aoki, Yasunori 3 Cui, Xiaoke 3 Ito, Tokushi 3 Sugihara, Kota 3 Sugihara, Masaaki 3 Washio, Takumi 2 Du, Yishu 2 Hamano, Kenji 2 Konagaya, Akihiko 2 Murashige, Sunao 2 Xu, Wei (David) 1 Bai, Zhongzhi 1 Buccini, Alessandro 1 Cui, Yiran 1 De Sterck, Hans 1 Gaudreau, Philippe J. 1 Han, Guoqiang 1 Hansen, Per Christian 1 Kunihiro, Noboru 1 Liao, Zeyu 1 Moroga, K. 1 Nakatsukasa, Yuji 1 Safouhi, Hassan 1 Song, Xiongfeng 1 Sugihara, Kokichi 1 Sugiyama, Yuichi 1 Toshimoto, Kota 1 Tsuchiya, Takashi 1 Wang, Jiong 1 Yamada, Yosihiro 1 Zeyu, Liao all top 5 Serials 6 Journal of Computational and Applied Mathematics 5 Numerical Linear Algebra with Applications 4 SIAM Journal on Matrix Analysis and Applications 4 SIAM Journal on Scientific Computing 3 Japan Journal of Industrial and Applied Mathematics 3 Numerical Algorithms 2 RIMS Kokyuroku 1 Applied Mathematics and Computation 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Applied Numerical Mathematics 1 Journal of Scientific Computing 1 Computational Optimization and Applications 1 Advances in Computational Mathematics 1 Engineering Analysis with Boundary Elements 1 Optimization and Engineering all top 5 Fields 42 Numerical analysis (65-XX) 6 Partial differential equations (35-XX) 5 Mechanics of deformable solids (74-XX) 5 Operations research, mathematical programming (90-XX) 4 Approximations and expansions (41-XX) 3 General and overarching topics; collections (00-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Ordinary differential equations (34-XX) 3 Biology and other natural sciences (92-XX) 2 Fluid mechanics (76-XX) 1 Potential theory (31-XX) 1 Integral equations (45-XX) 1 Optics, electromagnetic theory (78-XX) 1 Information and communication theory, circuits (94-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 41 Publications have been cited 278 times in 203 Documents Cited by ▼ Year ▼ Variable transformations for nearly singular integrals in the boundary element method. Zbl 1100.65109Hayami, Ken 28 2005 Extrapolation method of iterated collocation solution for two-dimensional nonlinear Volterra integral equations. Zbl 1023.65140Han, Guoqiang; Hayami, Ken; Sugihara, Kokichi; Wang, Jiong 27 2000 Modulus-based iterative methods for constrained Tikhonov regularization. Zbl 1360.65112Bai, Zhong-Zhi; Buccini, Alessandro; Hayami, Ken; Reichel, Lothar; Yin, Jun-Feng; Zheng, Ning 23 2017 GMRES methods for least squares problems. Zbl 1215.65071Hayami, Ken; Yin, Jun-Feng; Ito, Tokushi 22 2010 Modulus-type inner outer iteration methods for nonnegative constrained least squares problems. Zbl 1348.65069Zheng, Ning; Hayami, Ken; Yin, Jun-Feng 19 2016 Application of the fast multipole method to the 3-D BEM analysis of electron guns. Zbl 0909.65115Nishida, T.; Hayami, K. 19 1997 Inner-iteration Krylov subspace methods for least squares problems. Zbl 1269.65039Morikuni, Keiichi; Hayami, Ken 18 2013 Convergence of inner-iteration GMRES methods for rank-deficient least squares problems. Zbl 1315.65041Morikuni, Keiichi; Hayami, Ken 16 2015 A geometric view of Krylov subspace methods on singular systems. Zbl 1245.65037Hayami, Ken; Sugihara, Masaaki 11 2011 Improvement of quadrature for nearly singular integrals in 3D-BEM. Zbl 0812.65014Hayami, K.; Matsumoto, H. 8 1994 FGMRES for linear discrete ill-posed problems. Zbl 1302.65081Morikuni, Keiichi; Reichel, Lothar; Hayami, Ken 7 2014 A robust numerical integration method for three-dimensional boundary element analysis. Zbl 0804.65024Hayami, K. 7 1990 Implementation of interior-point methods for LP based on Krylov subspace iterative solvers with inner-iteration preconditioning. Zbl 1427.90289Cui, Yiran; Morikuni, Keiichi; Tsuchiya, Takashi; Hayami, Ken 6 2019 Preconditioned GMRES methods with incomplete Givens orthogonalization method for large sparse least-squares problems. Zbl 1160.65313Yin, Jun-Feng; Hayami, Ken 5 2009 A robust numerical integration method for 3-D boundary element analysis and its error analysis using complex function theory. Zbl 0741.65016Hayami, Ken 4 1992 Cluster Newton method for sampling multiple solutions of underdetermined inverse problems: application to a parameter identification problem in pharmacokinetics. Zbl 1290.65062Aoki, Yasunori; Hayami, Ken; De Sterck, Hans; Konagaya, Akihiko 4 2014 Jacobian-free implicit inner-iteration preconditioner for nonlinear least squares problems. Zbl 1352.65158Xu, Wei; Zheng, Ning; Hayami, Ken 4 2016 Parallel block preconditioning based on SSOR and MILU. Zbl 0838.65027Washio, Takumi; Hayami, Ken 4 1994 A multipole boundary element method for two-dimensional elastostatics. Zbl 0893.73074Yamada, Yosihiro; Hayami, Ken 4 1996 A panel clustering method for 3-D elastostatics using spherical harmonics. Zbl 1059.74555Hayami, K.; Sauter, S. A. 4 2000 Generalized approximate inverse preconditioners for least squares problems. Zbl 1171.65390Cui, Xiaoke; Hayami, Ken 3 2009 Overlapped multicolor MILU preconditioning. Zbl 0925.65059Washio, Takumi; Hayami, Ken 3 1995 Right preconditioned MINRES for singular systems. Zbl 1463.65058Sugihara, Kota; Hayami, Ken; Zheng, Ning 3 2020 Panel clustering for 3-D elastostatics using spherical harmonics. Zbl 0924.73312Hayami, Ken; Sauter, Stefan A. 3 1998 Cost estimation of the panel clustering method applied to 3-D elastostatics. Zbl 0929.74119Hayami, Ken; Sauter, Stefan A. 3 1998 Boundary element simulation of large amplitude standing waves in vessels. Zbl 1045.76543Hamano, Kenji; Murashige, Sunao; Hayami, Ken 3 2003 Greville’s method for preconditioning least squares problems. Zbl 1233.65027Cui, Xiaoke; Hayami, Ken; Yin, Jun-Feng 2 2011 Kaczmarz-type inner-iteration preconditioned flexible GMRES methods for consistent linear systems. Zbl 1490.65049Du, Yi-Shu; Hayami, Ken; Zheng, Ning; Morikuni, Keiichi; Yin, Jun-Feng 2 2021 Secant variable projection method for solving nonnegative separable least squares problems. Zbl 1462.65074Song, Xiongfeng; Xu, Wei; Hayami, Ken; Zheng, Ning 2 2020 Application of the panel clustering method to the three-dimensional elastostatic problem. Zbl 0916.73071Hayami, K.; Sauter, S. A. 2 1997 Updating preconditioners for modified least squares problems. Zbl 1368.65042Marín, J.; Mas, J.; Guerrero, D.; Hayami, K. 2 2017 Greville’s method for preconditioning least squares problems. Zbl 1400.65019Cui, Xiaoke; Hayami, Ken; Yin, J.-F. 1 2009 Preconditioned GMRES methods for least squares problems. Zbl 1154.65022Ito, Tokushi; Hayami, Ken 1 2008 Corrigendum to: “A geometric view of Krylov subspace methods on singular systems”. Zbl 1340.65044Hayami, Ken; Sugihara, Masaaki 1 2014 Improvement and implementation of PART: Numerical quadrature for nearly singular boundary element integrals. Zbl 0829.65028Hayami, K.; Matsumoto, H.; Moroga, K. 1 1992 Automatic numerical integration of nearly singular boundary element integrals. Zbl 0835.65045Kunihiro, Noboru; Hayami, Ken; Sugihara, Masaaki 1 1995 Improvements to the cluster Newton method for underdetermined inverse problems. Zbl 1311.65070Gaudreau, P.; Hayami, K.; Aoki, Y.; Safouhi, H.; Konagaya, A. 1 2015 Kaczmarz-type inner-iteration preconditioned flexible GMRES methods for consistent linear systems. Zbl 1512.65045Du, Yi-Shu; Hayami, Ken; Zheng, Ning; Morikuni, Keiichi; Yin, Jun-Feng 1 2021 Corrigendum 2 to: “A geometric view of Krylov subspace methods on singular systems”. Zbl 1488.65071Hayami, Ken; Sugihara, Kota 1 2021 A stabilized GMRES method for singular and severely ill-conditioned systems of linear equations. Zbl 1492.65095Liao, Zeyu; Hayami, Ken; Morikuni, Keiichi; Yin, Jun-Feng 1 2022 GMRES methods for tomographic reconstruction with an unmatched back projector. Zbl 1489.65060Hansen, Per Christian; Hayami, Ken; Morikuni, Keiichi 1 2022 A stabilized GMRES method for singular and severely ill-conditioned systems of linear equations. Zbl 1492.65095Liao, Zeyu; Hayami, Ken; Morikuni, Keiichi; Yin, Jun-Feng 1 2022 GMRES methods for tomographic reconstruction with an unmatched back projector. Zbl 1489.65060Hansen, Per Christian; Hayami, Ken; Morikuni, Keiichi 1 2022 Kaczmarz-type inner-iteration preconditioned flexible GMRES methods for consistent linear systems. Zbl 1490.65049Du, Yi-Shu; Hayami, Ken; Zheng, Ning; Morikuni, Keiichi; Yin, Jun-Feng 2 2021 Kaczmarz-type inner-iteration preconditioned flexible GMRES methods for consistent linear systems. Zbl 1512.65045Du, Yi-Shu; Hayami, Ken; Zheng, Ning; Morikuni, Keiichi; Yin, Jun-Feng 1 2021 Corrigendum 2 to: “A geometric view of Krylov subspace methods on singular systems”. Zbl 1488.65071Hayami, Ken; Sugihara, Kota 1 2021 Right preconditioned MINRES for singular systems. Zbl 1463.65058Sugihara, Kota; Hayami, Ken; Zheng, Ning 3 2020 Secant variable projection method for solving nonnegative separable least squares problems. Zbl 1462.65074Song, Xiongfeng; Xu, Wei; Hayami, Ken; Zheng, Ning 2 2020 Implementation of interior-point methods for LP based on Krylov subspace iterative solvers with inner-iteration preconditioning. Zbl 1427.90289Cui, Yiran; Morikuni, Keiichi; Tsuchiya, Takashi; Hayami, Ken 6 2019 Modulus-based iterative methods for constrained Tikhonov regularization. Zbl 1360.65112Bai, Zhong-Zhi; Buccini, Alessandro; Hayami, Ken; Reichel, Lothar; Yin, Jun-Feng; Zheng, Ning 23 2017 Updating preconditioners for modified least squares problems. Zbl 1368.65042Marín, J.; Mas, J.; Guerrero, D.; Hayami, K. 2 2017 Modulus-type inner outer iteration methods for nonnegative constrained least squares problems. Zbl 1348.65069Zheng, Ning; Hayami, Ken; Yin, Jun-Feng 19 2016 Jacobian-free implicit inner-iteration preconditioner for nonlinear least squares problems. Zbl 1352.65158Xu, Wei; Zheng, Ning; Hayami, Ken 4 2016 Convergence of inner-iteration GMRES methods for rank-deficient least squares problems. Zbl 1315.65041Morikuni, Keiichi; Hayami, Ken 16 2015 Improvements to the cluster Newton method for underdetermined inverse problems. Zbl 1311.65070Gaudreau, P.; Hayami, K.; Aoki, Y.; Safouhi, H.; Konagaya, A. 1 2015 FGMRES for linear discrete ill-posed problems. Zbl 1302.65081Morikuni, Keiichi; Reichel, Lothar; Hayami, Ken 7 2014 Cluster Newton method for sampling multiple solutions of underdetermined inverse problems: application to a parameter identification problem in pharmacokinetics. Zbl 1290.65062Aoki, Yasunori; Hayami, Ken; De Sterck, Hans; Konagaya, Akihiko 4 2014 Corrigendum to: “A geometric view of Krylov subspace methods on singular systems”. Zbl 1340.65044Hayami, Ken; Sugihara, Masaaki 1 2014 Inner-iteration Krylov subspace methods for least squares problems. Zbl 1269.65039Morikuni, Keiichi; Hayami, Ken 18 2013 A geometric view of Krylov subspace methods on singular systems. Zbl 1245.65037Hayami, Ken; Sugihara, Masaaki 11 2011 Greville’s method for preconditioning least squares problems. Zbl 1233.65027Cui, Xiaoke; Hayami, Ken; Yin, Jun-Feng 2 2011 GMRES methods for least squares problems. Zbl 1215.65071Hayami, Ken; Yin, Jun-Feng; Ito, Tokushi 22 2010 Preconditioned GMRES methods with incomplete Givens orthogonalization method for large sparse least-squares problems. Zbl 1160.65313Yin, Jun-Feng; Hayami, Ken 5 2009 Generalized approximate inverse preconditioners for least squares problems. Zbl 1171.65390Cui, Xiaoke; Hayami, Ken 3 2009 Greville’s method for preconditioning least squares problems. Zbl 1400.65019Cui, Xiaoke; Hayami, Ken; Yin, J.-F. 1 2009 Preconditioned GMRES methods for least squares problems. Zbl 1154.65022Ito, Tokushi; Hayami, Ken 1 2008 Variable transformations for nearly singular integrals in the boundary element method. Zbl 1100.65109Hayami, Ken 28 2005 Boundary element simulation of large amplitude standing waves in vessels. Zbl 1045.76543Hamano, Kenji; Murashige, Sunao; Hayami, Ken 3 2003 Extrapolation method of iterated collocation solution for two-dimensional nonlinear Volterra integral equations. Zbl 1023.65140Han, Guoqiang; Hayami, Ken; Sugihara, Kokichi; Wang, Jiong 27 2000 A panel clustering method for 3-D elastostatics using spherical harmonics. Zbl 1059.74555Hayami, K.; Sauter, S. A. 4 2000 Panel clustering for 3-D elastostatics using spherical harmonics. Zbl 0924.73312Hayami, Ken; Sauter, Stefan A. 3 1998 Cost estimation of the panel clustering method applied to 3-D elastostatics. Zbl 0929.74119Hayami, Ken; Sauter, Stefan A. 3 1998 Application of the fast multipole method to the 3-D BEM analysis of electron guns. Zbl 0909.65115Nishida, T.; Hayami, K. 19 1997 Application of the panel clustering method to the three-dimensional elastostatic problem. Zbl 0916.73071Hayami, K.; Sauter, S. A. 2 1997 A multipole boundary element method for two-dimensional elastostatics. Zbl 0893.73074Yamada, Yosihiro; Hayami, Ken 4 1996 Overlapped multicolor MILU preconditioning. Zbl 0925.65059Washio, Takumi; Hayami, Ken 3 1995 Automatic numerical integration of nearly singular boundary element integrals. Zbl 0835.65045Kunihiro, Noboru; Hayami, Ken; Sugihara, Masaaki 1 1995 Improvement of quadrature for nearly singular integrals in 3D-BEM. Zbl 0812.65014Hayami, K.; Matsumoto, H. 8 1994 Parallel block preconditioning based on SSOR and MILU. Zbl 0838.65027Washio, Takumi; Hayami, Ken 4 1994 A robust numerical integration method for 3-D boundary element analysis and its error analysis using complex function theory. Zbl 0741.65016Hayami, Ken 4 1992 Improvement and implementation of PART: Numerical quadrature for nearly singular boundary element integrals. Zbl 0829.65028Hayami, K.; Matsumoto, H.; Moroga, K. 1 1992 A robust numerical integration method for three-dimensional boundary element analysis. Zbl 0804.65024Hayami, K. 7 1990 all cited Publications top 5 cited Publications all top 5 Cited by 369 Authors 16 Hayami, Ken 10 Reichel, Lothar 10 Yin, Junfeng 10 Zhang, Jianming 9 Morikuni, Keiichi 8 Xie, Guizhong 7 Buccini, Alessandro 7 Zheng, Ning 5 Lv, Jiahe 5 Mirzaee, Farshid 4 Tanaka, Masataka 4 Vong, Seakweng 4 Wang, Liangwen 4 Zheng, Hua 4 Zhong, Yudong 3 Bai, Zhongzhi 3 Donatelli, Marco 3 Du, Yishu 3 Feng, Xiating 3 Hadadiyan, Elham 3 Kobayashi, Shoichi 3 Li, Guangyao 3 Li, Hao 3 Liu, Yijun 3 Maleknejad, Khosrow 3 Mohammad, Hassan 3 Nishimura, Naoshi 3 Pasha, Mirjeta 3 Qin, Xianyun 3 Scott, Jennifer A. 3 Wang, Haitao 3 Wu, Shiliang 3 Yao, Zhenhan 3 Yoshida, Ken Ichi 2 Aoki, Yasunori 2 Assari, Pouria 2 Bazm, Sohrab 2 Chen, Wen 2 Dehghan Takht Fooladi, Mehdi 2 Dong, Yunqiao 2 Du, Wenliao 2 Elliott, David L. 2 Gazzola, Silvia 2 He, Jiewen 2 He, Wenbin 2 Huang, Jingfang 2 Huang, Yumei 2 Jiang, Quan 2 Johnston, Barbara M. 2 Johnston, Peter Rex 2 Ku, Jaeun 2 Li, Cuixia 2 Li, Rui 2 Miao, Yu 2 Notay, Yvan 2 Petushkov, Vladimir A. 2 Popov, Victor S. 2 Power, Henry 2 Prata, Joana 2 Rungamornrat, Jaroon 2 Santos, Sandra Augusta 2 Shapira, Yair 2 Shen, Liang 2 Shen, Qin-Qin 2 Shi, Quan 2 Tadeu, António J. B. 2 Van der Vorst, Henk Albertus 2 Wang, Pengbo 2 Waziri, Mohammed Yusuf 2 Wendland, Wolfgang L. 2 Xu, Wei (David) 2 Yan, Fei 2 Zhou, Fenglin 1 Abdou, Mohamed Abdella 1 Abe, Kuniyoshi 1 Adibi, Hojatollah 1 Alalyani, Ahmad 1 Alipour, Sahar 1 Alkilayh, Maged 1 Allis, M. 1 Aoto, Daisuke 1 Avazzadeh, Zakieh 1 Azari, Yaqub 1 Babaaghaie, A. 1 Bagherpour, Negin 1 Baglama, James 1 Bai, Xiaoyong 1 Banner, Michael L. 1 Baranji, B. 1 Barthelemy, Xavier 1 Basseem, M. 1 Bastani, Mehdi 1 Bebendorf, Mario 1 Beik, Fatemeh Panjeh Ali 1 Bellour, Azzeddine 1 Bianchi, Davide 1 Bin, Hu 1 Birem, Fouzia 1 Boulmerka, Aissa 1 Brianzi, Paola ...and 269 more Authors all top 5 Cited in 61 Serials 37 Engineering Analysis with Boundary Elements 24 Journal of Computational and Applied Mathematics 13 Applied Mathematics and Computation 12 Numerical Algorithms 10 SIAM Journal on Scientific Computing 9 SIAM Journal on Matrix Analysis and Applications 7 Computational Mechanics 6 Applied Numerical Mathematics 5 Computational and Applied Mathematics 4 Computers & Mathematics with Applications 4 International Journal for Numerical Methods in Engineering 4 Journal of Scientific Computing 3 Computer Methods in Applied Mechanics and Engineering 3 Inverse Problems 3 Journal of Computational Physics 3 Mathematical Problems in Engineering 3 Communications in Nonlinear Science and Numerical Simulation 2 BIT 2 Japan Journal of Industrial and Applied Mathematics 2 International Journal of Computer Mathematics 2 Linear Algebra and its Applications 2 Journal of Applied Mathematics and Computing 2 SIAM Journal on Imaging Sciences 2 Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki 2 East Asian Journal on Applied Mathematics 1 Computer Physics Communications 1 International Journal for Numerical Methods in Fluids 1 Journal of Fluid Mechanics 1 Linear and Multilinear Algebra 1 Mathematical Methods in the Applied Sciences 1 Calcolo 1 Computing 1 Journal of Optimization Theory and Applications 1 Numerical Functional Analysis and Optimization 1 Numerische Mathematik 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Applied Mathematics Letters 1 Journal of Integral Equations and Applications 1 Applied Mathematical Modelling 1 European Journal of Operational Research 1 SIAM Journal on Optimization 1 Computational Optimization and Applications 1 Numerical Linear Algebra with Applications 1 ETNA. Electronic Transactions on Numerical Analysis 1 Advances in Computational Mathematics 1 Journal of Geodesy 1 Computing and Visualization in Science 1 Optimization Methods & Software 1 Optimization and Engineering 1 Journal of Applied Mathematics 1 International Journal of Fracture 1 Inverse Problems in Science and Engineering 1 Optimization Letters 1 Advances in Applied Mathematics and Mechanics 1 Mathematical Programming Computation 1 Numerical Algebra, Control and Optimization 1 S\(\vec{\text{e}}\)MA Journal 1 Journal of Applied Analysis and Computation 1 Mathematical Sciences 1 International Journal of Applied and Computational Mathematics 1 Communications on Applied Mathematics and Computation all top 5 Cited in 25 Fields 167 Numerical analysis (65-XX) 34 Operations research, mathematical programming (90-XX) 31 Mechanics of deformable solids (74-XX) 27 Integral equations (45-XX) 16 Linear and multilinear algebra; matrix theory (15-XX) 13 Fluid mechanics (76-XX) 10 Partial differential equations (35-XX) 8 Classical thermodynamics, heat transfer (80-XX) 7 Information and communication theory, circuits (94-XX) 6 Operator theory (47-XX) 5 Computer science (68-XX) 5 Geophysics (86-XX) 4 Approximations and expansions (41-XX) 4 Statistics (62-XX) 3 Probability theory and stochastic processes (60-XX) 2 Potential theory (31-XX) 2 Harmonic analysis on Euclidean spaces (42-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Biology and other natural sciences (92-XX) 1 History and biography (01-XX) 1 Functions of a complex variable (30-XX) 1 Ordinary differential equations (34-XX) 1 Functional analysis (46-XX) 1 Mechanics of particles and systems (70-XX) 1 Optics, electromagnetic theory (78-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.