二村 保徳(フタムラ ヤスノリ)
- 論文
- 複数右辺ベクトルを持つシフト線形方程式に対する多項式前処理の有効性の検証
関川 悠太; 二村 保徳; 今倉 暁; 櫻井 鉄也
日本応用数理学会論文誌/29(1)/pp.141-164, 2019-03 - Benefits from using mixed precision computations in the ELPA-AEO and ESSEX-II eigensolver projects
Alvermann Andreas; Basermann Achim; Bungartz Hans-Joachi...
Japan Journal of Industrial and Applied Mathematics/36(2)/pp.699-717, 2019-04 - Parallel implementation of the nonlinear semi-NMF based alternating optimization method for deep neural networks
Imakura Akira; Inoue Yuto; Tetsuya Sakurai; Futamura Yas...
Neural Processing Letters/47(3)/pp.815-827, 2018-06 - Graph Clustering via Cohesiveness-aware Vector Partitioning
Hiroaki Shiokawa; Yasunori Futamura
Proceedings of the 20th International Conference on Information Integration and Web-based Applications and Services (iiWAS2018)/pp.33-40, 2018-12 - Performance evaluation of the Sakurai-Sugiura method with a block Krylov subspace linear solver for large dense Hermitian-definite generalized eigenvalue problems
Yano Takahiro; Futamura Yasunori; Imakura Akira; Sakurai ...
JSIAM LETTERS/10/pp.77-80, 2018 - Efficient and Scalable Calculation of Complex Band Structure using Sakurai-Sugiura Method
Iwase Shigeru; Futamura Yasunori; Imakura Akira; Sakurai ...
Proc. of The International Conference for High Performance Computing, Networking, Storage and Analysis (SC'17), 2017-11 - Contour integral method for obtaining the self-energy matrices of electrodes in electron transport calculations
Iwase Shigeru; Futamura Yasunori; Imakura Akira; Sakur...
PHYSICAL REVIEW B/97(19)/p.195449, 2018-05 - Efficient Calculation of Electronic Structure Using O(N) Density Functional Theory
Nakata Ayako; Futamura Yasunori; Sakurai Tetsuya; Bowl...
Journal of chemical theory and computation/13(9)/pp.4146-4153, 2017-08 - Reduced-Shifted Conjugate-Gradient Method for a Green's Function: Efficient Numerical Approach in a Nano-Structured Superconductor
Nagai Yuki; Shinohara Yasushi; Futamura Yasunori; Saku...
Journal of the Physical Society of Japan/86(1)/pp.014708-1-014708-9, 2016-12 - Eigenspectrum Calculation of the Non-Hermitian O(a)-Improved Wilson-Dirac Operator using the Sakurai-Sugiura Method
Kuramashi Yoshinobu; Suno Hiroya; Nakamura Yoshifumi; Ishika...
Proceedings of Science/LATTICE 2015/p.026, 2016-06 - 殻模型計算における確率論的な準位密度計算法
清水 則孝; 二村 保徳; 櫻井 鉄也; 水崎 高浩; 宇都野 穣; 大塚 孝治
日本物理学会講演概要集/70(2)/p.183, 2015-09 - Stochastic estimation of nuclear level density in the nuclear shell model: An application to parity-dependent level density in Ni-58
Shimizu Noritaka; Utsuno Yutaka; Futamura Yasunori; Sa...
PHYSICS LETTERS B/753/pp.13-17, 2016-02 - O(N)-DFT計算プログラムCONQUESTと櫻井-杉浦法による大規模系の一電子波動関数解析
中田 彩子; Bowler D. R.; 二村 保徳; 櫻井 鉄也; 宮崎 剛
日本物理学会講演概要集/70(1)/p.3198, 2015-03 - Filter analysis for the stochastic estimation of eigenvalue counts
Maeda Yasuyuki; Futamura Yasunori; Imakura Akira; Sakurai Te...
JSIAM Letters/7(0)/pp.53-56, 2015-07 - Multi-GPU scalable implementation of a contour-integral-based eigensolver for real symmetric dense generalized eigenvalue problems
Yano Takahiro; Futamura Yasunori; Sakurai Tetsuya
Proceedings of 8th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC-2013)/pp.121-127, 2013 - Efficient Algorithm for Linear Systems Arising in Solutions of Eigenproblems and its Application to Electronic-Structure Calculations
Futamura Yasunori; Sakurai Tetsuya; Furuya Shinnosuke; Iwata...
Lecture Notes in Computer Science (HIGH PERFORMANCE COMPUTING FOR COMPUTATIONAL SCIENCE - VECPAR 2012)/7851/pp.226-235, 2013-06 - Sakurai-Sugiura法による実空間Bogoliubov-de Gennes方程式の高速数値解法(7aBB 超伝導・密度波,領域6(金属(液体金属・準結晶)・低温(超低温・超伝導・密度波)))
永井 佑紀; 篠原 康; 二村 保徳; 太田 幸宏; 櫻井 鉄也
日本物理学会講演概要集/69(2)/p.556, 2014-08
- 複数右辺ベクトルを持つシフト線形方程式に対する多項式前処理の有効性の検証