論文
公開件数:40件
No. 種別 査読の有無 標題 単著・共著区分 著者 誌名 巻号頁 出版日 ISSN DOI URL
1 一般論文

Combinatorial preconditioning for accelerating the convergence of the parallel block Jacobi method for the symmetric eigenvalue problem
共著
Masaki Kugaya, Shuhei Kudo, Yusaku Yamamoto
JSIAM Letters
13/ 1, 56-59
2021/09/26



2 一般論文

Acceleration and Parallelization of a Linear Equation Solver for Crack Growth Simulation Based on the Phase Field Model
共著
Gaku Ishii, Yusaku Yamamoto, Takeshi Takaishi
Mathematics
9/ 18, 2248-2268
2021/09/13

10.3390/math9182248

3 一般論文

On eigenvalues of a matrix arising in energy-preserving/dissipative continuous-stage Runge-Kutta methods
単著
Yusaku Yamamoto
Special Matrices
10/ 1, 34-39
2021/08/10

10.1515/spma-2021-0101

4 一般論文

Block red–black MILU(0) preconditioner with relaxation on GPU
共著
Akemi Shioya and Yusaku Yamamoto
Parallel Computing
103/ 1, 102760-102772
2021/06/01

10.1016/j.parco.2021.102760

5 一般論文

On convergence to eigenvalues and eigenvectors in the block-Jacobi EVD algorithm with dynamic ordering
共著
Yusaku Yamamoto, Gabriel Oksa and Marian Vajtersic
Linear Algebra and its Applications
622/ 1, 19-45
2021/03/01



6 一般論文

Convergence acceleration of the shifted LR transformations for totally nonnegative Hessenberg matrices, Applications of Mathematics

Akiko Fukuda, Yusaku Yamamoto, Masashi Iwasaki, Emiko Ishiwata and Yoshimasa Nakamura
Applications of Mathematics
65/ 5, 677-702
2020/10/13



7 一般論文

A parallelizable energy-preserving integrator MB4 and its application to quantum-mechanical wavepacket dynamics

Tsubasa Sakai, Shuhei Kudo, Hiroto Imachi, Yuto Miyatake, Takeo Hoshi and Yusaku Yamamoto
Japan Journal of Industrial and Applied Mathematics
0/ 0, 0-0
2020/07/22

10.1007/s13160-020-00430-2

8 一般論文

Fixed-point analysis of Ogita-Aishima’s symmetric eigendecomposition refinement algorithm for multiple eigenvalues
共著
K. Shiroma and Y. Yamamoto
JSIAM Letters
12/ 1, 5-8
2020/06/01



9 一般論文

Shifted CholeskyQR for computing the QR factorization of ill-conditioned matrices
共著
T. Fukaya, R. Kannan, Y. Nakatsukasa, Y. Yamamoto and Y. Yanagisawa
SIAM Journal on Scientific Computing
42/ 1, A477-A503
2020/06/01



10 一般論文

Asymptotic Quadratic Convergence of the Two-Sided Serial and Parallel Block-Jacobi SVD Algorithm
共著
Gabriel Oksa, Yusaku Yamamoto, Martin Becka, and Marian Vajtersic
SIAM Journal on Matrix Analysis and Applications
40/ 2, 639-671
2019/05/23

https://doi.org/10.1137/18M1222727

11 一般論文

EigenKernel: A middleware for parallel generalized eigenvalue solvers to attain high scalability and usability
共著
Kazuyuki Tanaka, Hiroto Imachi, Tomoya Fukumoto, Akiyoshi Kuwata, Yuki Harada, Takeshi Fukaya, Yusaku Yamamoto and Takeo Hoshi
Japan Journal of Industrial and Applied Mathematics
36/ 2, 719-742
2019/04/29



12 一般論文

Efficient implementations of the modified Gram–Schmidt orthogonalization with a non-standard inner product
共著
Akira Imakura and Yusaku Yamamoto
Japan Journal of Industrial and Applied Mathematics
36/ 2, 619-641
2019/04/29



13 一般論文

荻田・相島の固有ベクトル反復改良法に基づく実対称行列の固有値分解追跡手法

白間久瑠美, 工藤周平, 山本有作
日本応用数理学会論文誌
29/ 1, 78-120
2019/03/25

10.11540/jsiamt.29.1_78

14 一般論文

On Using the shifted minimal residual method for quantum-mechanical wave packet simulation
共著
Hiroaki Seito, Takeo Hoshi, Yusaku Yamamoto
JSIAM Letters
11/ 1, 13-16
2019/03/05

10.14495/jsiaml.11.13

15 一般論文

Performance of the parallel block Jacobi method with dynamic ordering for the symmetric eigenvalue problem
共著
Shuhei Kudo, Kousuke Yasuda, Yusaku Yamamoto
JSIAM Letters
10/ 1, 41-44
2018/08/01



16 一般論文

Asymptotic quadratic convergence of the parallel block-Jacobi EVD algorithm with dynamic ordering for Hermitian matrices
共著
Gabriel Oksa, Yusaku Yamamoto and Marian Vajtersic
BIT Numerical Mathematics
0/ 0, 0-0
2018/05/01

10.1007/s10543-018-0711-3

17 一般論文

The danger of combining block red–black ordering with modified incomplete factorizations and its remedy by perturbation or relaxation
共著
Akemi Shioya and Yusaku Yamamoto
Japan Journal of Industrial and Applied Mathematics
35/ 1, 195-216
2018/03

10.1007/s13160-017-0277-5

18 一般論文

Solution of a nonlinear eigenvalue problem using signed singular values
共著
Kouhei Ooi, Yoshinori Mizuno, Tomohiro Sogabe, Yusaku Yamamoto
and Shao-Liang Zhang
East Asian Journal on Applied Mathematics
7/ 4, 799-809
2017/11

10.4208/eajam.181016.300517c

19 一般論文

On the optimality and sharpness of Laguerre’s lower bound on the smallest eigenvalue of a symmetric positive definite matrix
単著
Y. Yamamoto
Applications of Mathematics
62/ 4, 319-331
2017/08/01



20 一般論文

Performance analysis and optimization of the parallel one-sided block Jacobi SVD algorithm with dynamic ordering and variable blocking
共著
Shuhei Kudo, Yusaku Yamamoto, Martin Becka and Marian Vajtersic
Concurrency and Computation: Practice and Experience
29/ 9
2017/05/10

10.1002/cpe.4059

21 一般論文

Probabilistic analysis of an estimator for the Frobenius norm of a matrix product
共著
Yusaku Yamamoto and Shuhei Kudo
JSIAM Letters
9, 9-12
2017/02/23

10.14495/jsiaml.9.9

22 一般論文

Roundoff error analysis of the CholeskyQR2 algorithm in an oblique inner product
共著
Y. Yamamoto, Y. Nakatsukasa, Y. Yanagisawa and T. Fukaya
JSIAM Letters
8, 5-8
2016



23 一般論文

Asymptotic quadratic convergence of the serial block-Jacobi EVD algorithm for Hermitian matrices
共著
Gabriel Oksa, Yusaku Yamamoto and Marian Vajtersic
Numerische Mathematik
1-25
2016/12/24

10.1007/s00211-016-0863-5

24 一般論文

Xeon PhiにおけるDSYRKの並列化手法と性能解析
共著
工藤 周平, 山本 有作
情報処理学会論文誌コンピューティングシステム(ACS)
9/ 4, 15-24
2016/05/30



25 一般論文

Implementation details of an extended oqds algorithm for
singular values

S. Araki, K. Kimura, Y. Yamamoto and Y. Nakamura
JSIAM Letters
7, 9-12
2015



26 一般論文

Roundoff error analysis of the CholeskyQR2 algorithm

Y. Yamamoto, Y. Nakatsukasa, Y. Yanagisawa, and T. Fukaya
Electronic Transactions on Numerical Analysis
44, 306-326
2015



27 一般論文

Conserved quantities of the integrable discrete hungry systems
共著
S. Kakizaki, A. Fukuda, Y. Yamamoto, M. Iwasaki, E. Ishiwata and Y. Nakamura
Discrete and Continuous Dynamical Systems - Series S (DCDS-S)
8/ 5, 889-899
2015



28 一般論文

An asymptotic analysis for an integrable variant of the Lotka–Volterra prey–predator model via a determinant expansion technique
共著
M. Shinjo, M. Iwasaki, A. Fukuda, E. Ishiwata, Y. Yamamoto and Y. Nakamura
Cogent Mathematics
2/ 1, 1-14
2015



29 一般論文

A new subtraction-free formula for lower bounds of the minimal singular value of an upper bidiagonal matrix
共著
T. Yamashita, K. Kimura and Y. Yamamoto
Numerical Algorithms
69/ 4, 893-912
2015/08

10.1007/s11075-014-9931-z

30 一般論文

Convergence analysis of the parallel classical block Jacobi method for the symmetric eigenvalue problem
共著
Y. Yamamoto, L. Zhang and S. Kudo
JSIAM Letters
6, 57-60
2014



31 一般論文

On a shifted LR transformation derived from the discrete hungry Toda equation

Akiko Fukuda, Yusaku Yamamoto, Masashi Iwasaki, Emiko Ishiwata and Yoshimasa Nakamura
Monatshefte für Mathematik
170/ 1, 11-26
2013



32 一般論文

Integrable discrete hungry systems and their related matrix eigenvalues

Akiko Fukuda, Emiko Ishiwata, Yusaku Yamamoto, Masashi Iwasaki and Yoshimasa Nakamura
Annali di Matematica Pura ed Applicata
192/ 3, 423-445
2013



33 一般論文

ハングリー型の離散可積分系と非対称行列の固有値計算

福田亜希子, 岩崎雅史, 山本有作, 石渡恵美子, 中村佳正
日本応用数理学会論文誌
23/ 1, 109-181
2013/06



34 国際会議プロシーディングス等

A case study on modeling the performance of dense matrix computation:
Tridiagonalization in the EigenExa eigensolver on the K computer
共著
Takeshi Fukaya, Toshiyuki Imamura and Yusaku Yamamoto
Proceedings of 2018 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
1/ 1, 1-1
2018/08/06

10.1109/IPDPSW.2018.00171

35 国際会議プロシーディングス等

On Using the Cholesky QR Method in the Full-Blocked One-Sided Jacobi Algorithm
共著
Shuhei Kudo and Yusaku Yamamoto
Wyrzykowski R., Dongarra J., Deelman E., Karczewski K. (eds) Parallel Processing and Applied Mathematics. PPAM 2017. Lecture Notes in Computer Science, vol 10777
10777, 612-622
2018/03/23

10.1007/978-3-319-78024-5_53

36 国際会議プロシーディングス等

On constructing cost models for online automatic tuning using ATMathCoreLib
共著
Seiji Nagashima, Takeshi Fukaya and Yusaku Yamamoto
Proceedings of IEEE MCSoC 2016
1/ 1, 1-8
2016



37 国際会議プロシーディングス等

Performance of the parallel one-sided block Jacobi SVD algorithm on a modern distributed-memory parallel computer
共著
S. Kudo, Y. Yamamoto, M. Becka and M. Vajtersic
Lecture Notes in Computer Science
9573
2016



38 国際会議プロシーディングス等

CholeskyQR2: a simple and communication-avoiding algorithm for computing a tall-skinny QR factorization on a large-Scale parallel system
共著
T. Fukaya, Y. Nakatsukasa, Y. Yanagisawa and Y. Yamamoto
Proceedings of the 5th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems (ScalA'14)
1/ 1, 1-1
2014



39 国際会議プロシーディングス等

Performance analysis of the Householder-type parallel tall-skinny QR factorizations toward automatic algorithm selection
共著
T. Fukaya, T. Imamura and Y. Yamamoto
Proceedings of VECPAR 2014
1/ 1, 1-1
2014



40 解説

巨大行列の固有値計算
単著
山本有作
数学セミナー
59/ 2, 12-17
2020/02/01