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Imakura, Akira

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Author ID: imakura.akira Recent zbMATH articles by "Imakura, Akira"
Published as: Imakura, A.; Imakura, Akira
External Links: ORCID
Documents Indexed: 28 Publications since 2009

Publications by Year

Citations contained in zbMATH

14 Publications have been cited 30 times in 26 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
8
2016
A block Arnoldi-type contour integral spectral projection method for solving generalized eigenvalue problems. Zbl 1311.65037
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
4
2014
Relationships among contour integral-based methods for solving generalized eigenvalue problems. Zbl 1375.65058
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
3
2016
Locally optimal and heavy ball GMRES methods. Zbl 1354.65063
Imakura, Akira; Li, Ren-Cang; Zhang, Shao-Liang
3
2016
A weighted block GMRES method for solving linear systems with multiple right-hand sides. Zbl 1416.65085
Imakura, Akira; Du, Lei; Tadano, Hiroto
2
2013
An efficient variant of the restarted shifted GMRES method for solving shifted linear systems. Zbl 1289.65057
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shaoliang
2
2013
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
1
2020
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
1
2019
Efficient implementations of the modified Gram-Schmidt orthogonalization with a non-standard inner product. Zbl 1436.65046
Imakura, Akira; Yamamoto, Yusaku
1
2019
Improving backward stability of Sakurai-Sugiura method with balancing technique in polynomial eigenvalue problem. Zbl 06770049
Chen, Hongjia; Imakura, Akira; Sakurai, Tetsuya
1
2017
Block Krylov-type complex moment-based eigensolvers for solving generalized eigenvalue problems. Zbl 1368.65058
Imakura, Akira; Sakurai, Tetsuya
1
2017
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
A parameter optimization technique for a weighted Jacobi-type preconditioner. Zbl 1271.65051
Imakura, Akira; Sakurai, Tetsuya; Sumiyoshi, Kohsuke; Matsufuru, Hideo
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
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
1
2020
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
1
2019
Efficient implementations of the modified Gram-Schmidt orthogonalization with a non-standard inner product. Zbl 1436.65046
Imakura, Akira; Yamamoto, Yusaku
1
2019
Improving backward stability of Sakurai-Sugiura method with balancing technique in polynomial eigenvalue problem. Zbl 06770049
Chen, Hongjia; Imakura, Akira; Sakurai, Tetsuya
1
2017
Block Krylov-type complex moment-based eigensolvers for solving generalized eigenvalue problems. Zbl 1368.65058
Imakura, Akira; Sakurai, Tetsuya
1
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
8
2016
Relationships among contour integral-based methods for solving generalized eigenvalue problems. Zbl 1375.65058
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
3
2016
Locally optimal and heavy ball GMRES methods. Zbl 1354.65063
Imakura, Akira; Li, Ren-Cang; Zhang, Shao-Liang
3
2016
A block Arnoldi-type contour integral spectral projection method for solving generalized eigenvalue problems. Zbl 1311.65037
Imakura, Akira; Du, Lei; Sakurai, Tetsuya
4
2014
A weighted block GMRES method for solving linear systems with multiple right-hand sides. Zbl 1416.65085
Imakura, Akira; Du, Lei; Tadano, Hiroto
2
2013
An efficient variant of the restarted shifted GMRES method for solving shifted linear systems. Zbl 1289.65057
Imakura, Akira; Sogabe, Tomohiro; Zhang, Shaoliang
2
2013
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
A parameter optimization technique for a weighted Jacobi-type preconditioner. Zbl 1271.65051
Imakura, Akira; Sakurai, Tetsuya; Sumiyoshi, Kohsuke; Matsufuru, Hideo
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

Citations by Year