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Imakura, Akira

Co-Author Distance
Author ID: imakura.akira Recent zbMATH articles by "Imakura, Akira"
Published as: Imakura, Akira; Imakura, A.
External Links: ORCID
Documents Indexed: 35 Publications since 2009, including 1 Additional arXiv Preprint
Co-Authors: 56 Co-Authors with 32 Joint Publications
1,195 Co-Co-Authors
all top 5

Co-Authors

3 single-authored
18 Sakurai, Tetsuya
6 Du, Lei
5 Futamura, Yasunori
5 Zhang, Shao-Liang
4 Morikuni, Keiichi
4 Sogabe, Tomohiro
4 Tadano, Hiroto
3 Takayasu, Akitoshi
2 Chen, Hongjia
2 Galgon, Martin
2 Huber, Sarah E.
2 Lang, Bruno
2 Maeda, Yasuyuki
2 Yano, Takahiro
1 Aihara, Kensuke
1 Alvermann, Andreas
1 Basermann, Achim
1 Bungartz, Hans-Joachim
1 Carbogno, Christian
1 Carpentieri, Bruno
1 Ernst, Dominik
1 Fehske, Holger
1 Gu, Xian-Ming
1 Hager, Georg
1 Hasegawa, Tetsuya
1 Huang, Ting-Zhu
1 Huckle, Thomas Kilian
1 Ida, Akihiro
1 Ishikawa, Youichi
1 Kawai, Masatoshi
1 Köcher, Simone
1 Kreutzer, Moritz
1 Kus, Pavel
1 Lederer, Hermann
1 Li, Rencang
1 Manin, Valeriy
1 Marek, Andreas
1 Matsufuru, Hideo
1 Nakajima, Kengo
1 Nemec, Lydia
1 Reuter, Karsten
1 Rippl, Michael
1 Röhrig-Zöllner, Melven
1 Saito, Shusaku
1 Scheffler, Matthias
1 Scheurer, Christoph
1 Shahzad, Faisal
1 Simoes Brambila, Danilo
1 Su, Lijiong
1 Sumiyoshi, Kohsuke
1 Thies, Jonas
1 Tisseur, Françoise
1 Wellein, Gerhard
1 Yamada, Haruka
1 Yamamoto, Yusaku
1 Zhang, Ke
all top 5

Serials

10 JSIAM Letters
6 Japan Journal of Industrial and Applied Mathematics
4 Journal of Computational and Applied Mathematics
3 Numerical Algorithms
2 Applications of Mathematics
2 Numerical Linear Algebra with Applications
2 Journal of Mathematical Research with Applications
2 East Asian Journal on Applied Mathematics
1 Computers & Mathematics with Applications
1 Applied Mathematics Letters
1 SIAM Journal on Matrix Analysis and Applications
all top 5

Fields

34 Numerical analysis (65-XX)
4 Linear and multilinear algebra; matrix theory (15-XX)
2 Functions of a complex variable (30-XX)
2 Computer science (68-XX)
2 Operations research, mathematical programming (90-XX)
2 Systems theory; control (93-XX)
1 Quantum theory (81-XX)

Publications by Year

all cited Publications top 5 cited Publications

Citations contained in zbMATH Open

24 Publications have been cited 97 times in 74 Documents Cited by ▼ Year ▼
Error bounds of Rayleigh-Ritz type contour integral-based eigensolver for solving generalized eigenvalue problems. Zbl 1333.65039
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
15
2016
A block Arnoldi-type contour integral spectral projection method for solving generalized eigenvalue problems. Zbl 1311.65037
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
14
2014
Efficient variants of the CMRH method for solving a sequence of multi-shifted non-Hermitian linear systems simultaneously. Zbl 1434.65027
Gu, Xian-Ming; Huang, Ting-Zhu; Carpentieri, Bruno; Imakura, Akira; Zhang, Ke; Du, Lei
10
2020
Relationships among contour integral-based methods for solving generalized eigenvalue problems. Zbl 1375.65058
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
10
2016
Locally optimal and heavy ball GMRES methods. Zbl 1354.65063
Imakura, Akira; Li, Ren-Cang; Zhang, Shao-Liang
8
2016
A weighted block GMRES method for solving linear systems with multiple right-hand sides. Zbl 1416.65085
Imakura, Akira; Du, Lei; Tadano, Hiroto
4
2013
Improving the numerical stability of the Sakurai-Sugiura method for quadratic eigenvalue problems. Zbl 1530.65040
Chen, Hongjia; Maeda, Yasuyuki; Imakura, Akira; Sakurai, Tetsuya; Tisseur, Francoise
4
2017
Efficient implementations of the modified Gram-Schmidt orthogonalization with a non-standard inner product. Zbl 1436.65046
Imakura, Akira; Yamamoto, Yusaku
4
2019
Improving backward stability of Sakurai-Sugiura method with balancing technique in polynomial eigenvalue problem. Zbl 1488.65079
Chen, Hongjia; Imakura, Akira; Sakurai, Tetsuya
4
2017
Verified partial eigenvalue computations using contour integrals for Hermitian generalized eigenproblems. Zbl 1431.65044
Imakura, Akira; Morikuni, Keiichi; Takayasu, Akitoshi
3
2020
An efficient variant of the restarted shifted GMRES method for solving shifted linear systems. Zbl 1289.65057
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shaoliang
3
2013
Block Krylov-type complex moment-based eigensolvers for solving generalized eigenvalue problems. Zbl 1368.65058
Imakura, Akira; Sakurai, Tetsuya
3
2017
Development of the block BiCGSTAB(\(\ell\)) method for solving linear systems with multiple right hand sides. Zbl 07037326
Saito, Shusaku; Tadano, Hiroto; Imakura, Akira
2
2014
A parameter optimization technique for a weighted Jacobi-type preconditioner. Zbl 1271.65051
Imakura, Akira; Sakurai, Tetsuya; Sumiyoshi, Kohsuke; Matsufuru, Hideo
2
2012
Benefits from using mixed precision computations in the ELPA-AEO and ESSEX-II eigensolver projects. Zbl 1418.65044
Alvermann, Andreas; Basermann, Achim; Bungartz, Hans-Joachim; Carbogno, Christian; Ernst, Dominik; Fehske, Holger; Futamura, Yasunori; Galgon, Martin; Hager, Georg; Huber, Sarah; Huckle, Thomas; Ida, Akihiro; Imakura, Akira; Kawai, Masatoshi; Köcher, Simone; Kreutzer, Moritz; Kus, Pavel; Lang, Bruno; Lederer, Hermann; Manin, Valeriy; Marek, Andreas; Nakajima, Kengo; Nemec, Lydia; Reuter, Karsten; Rippl, Michael; Röhrig-Zöllner, Melven; Sakurai, Tetsuya; Scheffler, Matthias; Scheurer, Christoph; Shahzad, Faisal; Simoes Brambila, Danilo; Thies, Jonas; Wellein, Gerhard
2
2019
Filter analysis for the stochastic estimation of eigenvalue counts. Zbl 07037346
Maeda, Yasuyuki; Futamura, Yasunori; Imakura, Akira; Sakurai, Tetsuya
1
2015
Performance evaluation of the Sakurai-Sugiura method with a block Krylov subspace linear solver for large dense Hermitian-definite generalized eigenvalue problems. Zbl 07037372
Yano, Takahiro; Futamura, Yasunori; Imakura, Akira; Sakurai, Tetsuya
1
2018
An efficient variant of the GMRES(\(m\)) method based on the error equations. Zbl 1287.65022
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shao-Liang
1
2012
Recovering from accuracy deterioration in the contour integral-based eigensolver. Zbl 1530.65042
Hasegawa, Tetsuya; Imakura, Akira; Sakurai, Tetsuya
1
2016
An implicit wavelet sparse approximate inverse preconditioner using block finger pattern. Zbl 1224.65074
Imakura, A.; Sogabe, T.; Zhang, S.-L.
1
2009
Flexible subspace iteration with moments for an effective contour integration-based eigensolver. Zbl 07655841
Huber, Sarah; Futamura, Yasunori; Galgon, Martin; Imakura, Akira; Lang, Bruno; Sakurai, Tetsuya
1
2022
Minimal residual-like condition with collinearity for shifted Krylov subspace methods. Zbl 1418.65040
Imakura, Akira
1
2019
Cross-interactive residual smoothing for global and block Lanczos-type solvers for linear systems with multiple right-hand sides. Zbl 1508.65024
Aihara, Kensuke; Imakura, Akira; Morikuni, Keiichi
1
2022
Verified eigenvalue and eigenvector computations using complex moments and the Rayleigh-Ritz procedure for generalized Hermitian eigenvalue problems. Zbl 1512.65061
Imakura, Akira; Morikuni, Keiichi; Takayasu, Akitoshi
1
2023
Verified eigenvalue and eigenvector computations using complex moments and the Rayleigh-Ritz procedure for generalized Hermitian eigenvalue problems. Zbl 1512.65061
Imakura, Akira; Morikuni, Keiichi; Takayasu, Akitoshi
1
2023
Flexible subspace iteration with moments for an effective contour integration-based eigensolver. Zbl 07655841
Huber, Sarah; Futamura, Yasunori; Galgon, Martin; Imakura, Akira; Lang, Bruno; Sakurai, Tetsuya
1
2022
Cross-interactive residual smoothing for global and block Lanczos-type solvers for linear systems with multiple right-hand sides. Zbl 1508.65024
Aihara, Kensuke; Imakura, Akira; Morikuni, Keiichi
1
2022
Efficient variants of the CMRH method for solving a sequence of multi-shifted non-Hermitian linear systems simultaneously. Zbl 1434.65027
Gu, Xian-Ming; Huang, Ting-Zhu; Carpentieri, Bruno; Imakura, Akira; Zhang, Ke; Du, Lei
10
2020
Verified partial eigenvalue computations using contour integrals for Hermitian generalized eigenproblems. Zbl 1431.65044
Imakura, Akira; Morikuni, Keiichi; Takayasu, Akitoshi
3
2020
Efficient implementations of the modified Gram-Schmidt orthogonalization with a non-standard inner product. Zbl 1436.65046
Imakura, Akira; Yamamoto, Yusaku
4
2019
Benefits from using mixed precision computations in the ELPA-AEO and ESSEX-II eigensolver projects. Zbl 1418.65044
Alvermann, Andreas; Basermann, Achim; Bungartz, Hans-Joachim; Carbogno, Christian; Ernst, Dominik; Fehske, Holger; Futamura, Yasunori; Galgon, Martin; Hager, Georg; Huber, Sarah; Huckle, Thomas; Ida, Akihiro; Imakura, Akira; Kawai, Masatoshi; Köcher, Simone; Kreutzer, Moritz; Kus, Pavel; Lang, Bruno; Lederer, Hermann; Manin, Valeriy; Marek, Andreas; Nakajima, Kengo; Nemec, Lydia; Reuter, Karsten; Rippl, Michael; Röhrig-Zöllner, Melven; Sakurai, Tetsuya; Scheffler, Matthias; Scheurer, Christoph; Shahzad, Faisal; Simoes Brambila, Danilo; Thies, Jonas; Wellein, Gerhard
2
2019
Minimal residual-like condition with collinearity for shifted Krylov subspace methods. Zbl 1418.65040
Imakura, Akira
1
2019
Performance evaluation of the Sakurai-Sugiura method with a block Krylov subspace linear solver for large dense Hermitian-definite generalized eigenvalue problems. Zbl 07037372
Yano, Takahiro; Futamura, Yasunori; Imakura, Akira; Sakurai, Tetsuya
1
2018
Improving the numerical stability of the Sakurai-Sugiura method for quadratic eigenvalue problems. Zbl 1530.65040
Chen, Hongjia; Maeda, Yasuyuki; Imakura, Akira; Sakurai, Tetsuya; Tisseur, Francoise
4
2017
Improving backward stability of Sakurai-Sugiura method with balancing technique in polynomial eigenvalue problem. Zbl 1488.65079
Chen, Hongjia; Imakura, Akira; Sakurai, Tetsuya
4
2017
Block Krylov-type complex moment-based eigensolvers for solving generalized eigenvalue problems. Zbl 1368.65058
Imakura, Akira; Sakurai, Tetsuya
3
2017
Error bounds of Rayleigh-Ritz type contour integral-based eigensolver for solving generalized eigenvalue problems. Zbl 1333.65039
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
15
2016
Relationships among contour integral-based methods for solving generalized eigenvalue problems. Zbl 1375.65058
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
10
2016
Locally optimal and heavy ball GMRES methods. Zbl 1354.65063
Imakura, Akira; Li, Ren-Cang; Zhang, Shao-Liang
8
2016
Recovering from accuracy deterioration in the contour integral-based eigensolver. Zbl 1530.65042
Hasegawa, Tetsuya; Imakura, Akira; Sakurai, Tetsuya
1
2016
Filter analysis for the stochastic estimation of eigenvalue counts. Zbl 07037346
Maeda, Yasuyuki; Futamura, Yasunori; Imakura, Akira; Sakurai, Tetsuya
1
2015
A block Arnoldi-type contour integral spectral projection method for solving generalized eigenvalue problems. Zbl 1311.65037
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
14
2014
Development of the block BiCGSTAB(\(\ell\)) method for solving linear systems with multiple right hand sides. Zbl 07037326
Saito, Shusaku; Tadano, Hiroto; Imakura, Akira
2
2014
A weighted block GMRES method for solving linear systems with multiple right-hand sides. Zbl 1416.65085
Imakura, Akira; Du, Lei; Tadano, Hiroto
4
2013
An efficient variant of the restarted shifted GMRES method for solving shifted linear systems. Zbl 1289.65057
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shaoliang
3
2013
A parameter optimization technique for a weighted Jacobi-type preconditioner. Zbl 1271.65051
Imakura, Akira; Sakurai, Tetsuya; Sumiyoshi, Kohsuke; Matsufuru, Hideo
2
2012
An efficient variant of the GMRES(\(m\)) method based on the error equations. Zbl 1287.65022
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shao-Liang
1
2012
An implicit wavelet sparse approximate inverse preconditioner using block finger pattern. Zbl 1224.65074
Imakura, A.; Sogabe, T.; Zhang, S.-L.
1
2009
all cited Publications top 5 cited Publications
all top 5

Cited by 132 Authors

15 Imakura, Akira
10 Sakurai, Tetsuya
5 Du, Lei
4 Chen, Hongjia
4 Heyouni, Mohammed
4 Li, Rencang
4 Morikuni, Keiichi
3 Aihara, Kensuke
3 Elbouyahyaoui, Lakhdar
3 Gu, Xian-Ming
3 Sogabe, Tomohiro
3 Takayasu, Akitoshi
3 Toutounian, Faezeh
3 Yin, Guojian
3 Zhang, Ke
3 Zhang, Shao-Liang
2 Beik, Fatemeh Panjeh Ali
2 Carpentieri, Bruno
2 Fukaya, Takeshi
2 Futamura, Yasunori
2 Hoshi, Takeo
2 Huang, Ting-Zhu
2 Huang, Tsungming
2 Najafi-Kalyani, Mehdi
2 Ovall, Jeffrey S.
2 Ramezani, Zohreh
2 Saberi Movahed, Farid
2 Tajaddini, Azita
2 Yamamoto, Yusaku
2 Zhang, Lei-Hong
1 Abdaoui, Ilias
1 Aishima, Kensuke
1 Bai, Zhaojun
1 Bevilacqua, Roberto
1 Bhaya, Amit
1 Bientinesi, Paolo
1 Brennan, Michael C.
1 Cabral, Juan C.
1 Cao, Zongqi
1 Chan, Raymond Hon-Fu
1 Chen, Pu
1 Del Corso, Gianna M.
1 Di Napoli, Edoardo A.
1 Drmač, Zlatko
1 Embree, Mark
1 Fang, Liang
1 Feng, Mei
1 Galgon, Martin
1 Gavin, Brendan
1 Gemignani, Luca
1 Glatz, Andreas
1 Glibić, Ivana Šain
1 Gopalakrishnan, Jay
1 Grubišić, Luka
1 Gugercin, Serkan
1 Hasegawa, Tetsuya
1 Higham, Nicholas J.
1 Horiuchi, Itsuki
1 Huber, Sarah E.
1 Ikehara, Kota
1 Ishiwata, Emiko
1 Iwashita, Takeshi
1 Jbilou, Khalide
1 Jia, Zhongxiao
1 Jing, Yanfei
1 Kannan, Ramaseshan
1 Kawamura, Mitsuaki
1 Kawashima, Naoki
1 Kemmochi, Tomoya
1 Kimmel, Gregory J.
1 Kollnig, Konrad
1 Kurz, Stefan
1 Lang, Bruno
1 Lange, Marko
1 Lei, Siulong
1 Liao, Weichien
1 Lin, Wenwei
1 Luo, Weihua
1 Mary, Theo A.
1 Mele, Giampaolo
1 Meng, Jing
1 Miao, Cun-Qiang
1 Mifune, Takeshi
1 Misawa, Takahiro
1 Miyajima, Shinya
1 Motoyama, Yuichi
1 Najafi, H. Saberi
1 Nakatsukasa, Yuji
1 Nedamani, F. Abbasi
1 Ogita, Takeshi
1 Ozaki, Katsuhisa
1 Polizzi, Eric
1 Reid, Robyn
1 Rump, Siegfried Michael
1 Saad, Yousef
1 Sato, Hiroyuki
1 Schaerer, Christian E.
1 Schöps, Sebastian
1 Shao, Meiyue
1 Shen, Chungen
...and 32 more Authors
all top 5

Cited in 35 Serials

10 Journal of Computational and Applied Mathematics
9 Numerical Linear Algebra with Applications
7 Numerical Algorithms
4 Journal of Scientific Computing
4 Japan Journal of Industrial and Applied Mathematics
4 SIAM Journal on Scientific Computing
3 JSIAM Letters
2 Linear and Multilinear Algebra
2 Mathematics of Computation
2 Applied Mathematics Letters
2 SIAM Journal on Matrix Analysis and Applications
1 Computers & Mathematics with Applications
1 Computer Physics Communications
1 Mathematical Methods in the Applied Sciences
1 ACM Transactions on Mathematical Software
1 Applied Mathematics and Computation
1 BIT
1 Calcolo
1 International Journal for Numerical Methods in Engineering
1 Numerische Mathematik
1 Journal of Computational Mathematics
1 SIAM Review
1 Computational Optimization and Applications
1 ELA. The Electronic Journal of Linear Algebra
1 Mathematical Problems in Engineering
1 Mathematical Communications
1 Mathematical & Computational Applications
1 Boletim da Sociedade Paranaense de Matemática. Terceira Série
1 Acta Numerica
1 Advances in Applied Mathematics and Mechanics
1 Science China. Mathematics
1 Journal of Mathematics
1 Special Matrices
1 Journal of Mathematical Modeling
1 Results in Applied Mathematics
all top 5

Cited in 10 Fields

73 Numerical analysis (65-XX)
20 Linear and multilinear algebra; matrix theory (15-XX)
5 Partial differential equations (35-XX)
4 Operator theory (47-XX)
4 Computer science (68-XX)
4 Operations research, mathematical programming (90-XX)
2 Functions of a complex variable (30-XX)
1 Global analysis, analysis on manifolds (58-XX)
1 Mechanics of deformable solids (74-XX)
1 Optics, electromagnetic theory (78-XX)

Citations by Year