TAKAMI Toshiya

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Name
TAKAMI Toshiya

Research Areas

 
 

Academic & Professional Experience

 
Apr 2017
 - 
Today
Professor, Faculty of Science and Technology, Oita University
 
Mar 2016
 - 
Mar 2017
Professor, Faculty of Engineering, Oita University
 
Sep 2009
   
 
Associate Professor, Kyushu University
 
Oct 2004
 - 
Aug 2009
Research Fellow (Research Associate Professor), Kyushu University
 
Feb 1994
 - 
Sep 2004
Research Assistant, Institute for Molecular Science
 
Apr 1992
 - 
Jan 1994
JSPS Research Fellowship for Young Scientists (DC2)
 

Education

 
Apr 1985
 - 
Mar 1989
Department of Physics, Faculty of Science,, Kyoto University,
 

Published Papers

 
Fujisaki Hiroshi, Yagi Kiyoshi, Kikuchi Hiroto, Takami Toshiya, Stock Gerhard
Chemical Physics   482 86-92   Sep 2016   [Refereed]
Kin’ya Takahashi, Sho Iwagami, Taizo Kobayashi, Toshiya Takami
Journal of the Physical Society of Japan   85(4) 044402   Apr 2016   [Refereed]
Nanri T, Soga T, Ajima Y, Morie Y, Honda H, Kobayashi T, Takami T, Sumimoto S
Proceedings - 23rd Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, PDP 2015   177-181   2015   [Refereed]
Honda Hiroaki, Inadomi Yuichi, Morie Yoshiyuki, Nanri Takeshi, Takami Toshiya
Journal of Computer Chemistry, Japan   13(6) 335-336   2015   [Refereed]
Shimokawa Michiko, Mayumi Ryosei, Nakamura Taiki, Takami Toshiya, Sakaguchi Hidetsugu
Phys. Rev. E   93(6) 062214   Jun 2016   [Refereed]
Shimokawa Michiko, Takami Toshiya
Modern Physics Letters B   29(35-36) 1550237   Dec 2015   [Refereed]
Keiichiro Fukazawa,Toshiya Takami,Takeshi Soga,Yoshiyuki Morie,Takeshi Nanri
Proceedings of the 23rd European MPI Users' Group Meeting, EuroMPI 2016, Edinburgh, United Kingdom, September 25-28, 2016   215-216   2016   [Refereed]
Shimokawa Michiko, Takami Toshiya
Journal of the Physical Society of Japan   83(4) 1-44001   Apr 2014   [Refereed]
Toshiya Takami, Daiki Fukudome
Parallel Processing and Applied Mathematics - 10th International Conference, PPAM 2013, Warsaw, Poland, September 8-11, 2013, Revised Selected Papers, Part I, LNCS 8384   67-75   May 2014   [Refereed]
Toshiya Takami, Daiki Fukudome
Parallel Computing: Accelerating Computational Science and Engineering (CSE), Proceedings of the International Conference on Parallel Computing, ParCo 2013, 10-13 September 2013, Garching (near Munich), Germany, Adv. Par. Comp. 25   273-281   May 2014   [Refereed]
Fukudome D, Takami T
ACM International Conference Proceeding Series   135-136   2013   [Refereed]
Akamura T, Nagao Y, Iwasaki T, Nakano K, Takahashi K, Kobayashi T, Takami T, Nishida A, Aoyagi M
Proceedings of Meetings on Acoustics   19    2013   [Refereed]
Takahashi K, Iwasaki T, Akamura T, Nagao Y, Nakano K, Kobayashi T, Takami T, Nishida A, Aoyagi M
Proceedings of Meetings on Acoustics   19    2013   [Refereed]
Inadomi Yuichi, Maki Jun, Honda Hiroaki, Takami Toshiya, Kobayashi Taizo, Aoyagi Mutsumi, Minami Kazu
Journal of Computer Chemistry, Japan   12(2) 145-155   2013   [Refereed]
Miyamoto M, Ito Y, Iwasaki T, Akamura T, Takahashi K, Takami T, Kobayashi T, Nishida A, Aoyagi M
Acta Acustica united with Acustica   99(1) 154-171   Jan 2013   [Refereed]
Iwasaki T, Kobayashi T, Takahashi K, Takami T, Nishida A, Aoyagi M
Proceedings of Meetings on Acoustics   19    2013   [Refereed]
Toshiya Takami, Akira Nishida
Applications, Tools and Techniques on the Road to Exascale Computing, Proceedings of the conference ParCo 2011, 31 August - 3 September 2011, Ghent, Belgium, Adv. Par. Comp. 22   437-444   Apr 2012   [Refereed]
Takahashi K, Miyamoto M, Ito Y, Takami T, Kobayashi T, Nishida A, Aoyagi M
ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011   1(PARTS A, B, C, D) 2135-2145   2011   [Refereed]
Takahashi K, Miyamoto M, Ito Y, Takami T, Kobayashi T, Nishida A, Aoyagi M
20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society   1 226-233   2010   [Refereed]
T. Takami and H. Fujisaki
Journal of Modern Optics   56(6) 822-830   2009
3D Calculation with Compressible LES for Sound Vibration of Ocarina
T. Kobayashi, T. Takami, M. Miyamoto, K. Takahashi, A. Nishida, M. Aoyagi
Proceedings of Open Source CFD International Conference 2009      2009
Yuichi Inadomi, Toshiya Takami, Jun Maki, Taizo Kobayashi, Mutsumi Aoyagi
Parallel Computing: From Multicores and GPU's to Petascale, Proceedings of the conference ParCo 2009, 1-4 September 2009, Lyon, France   19 220-227   2009   [Refereed]
Toshiya Takami, Jun Maki, Jun-ichi Ooba, Taizo Kobayashi, Rie Nogita, and Mutsumi Aoyagi
Journal of the Physical Society of Japan   76(1) "013001-1"-"013001-4"   Jan 2007
We present a new methodology for analyzing complicated multiphysics simulations by introducing a fictitious parameter. Using the method, we study the quantum mechanical aspects of an organic molecule in water. The simulation is variationally const...
Sound Generation by a Turbulent Flow in Musical Instruments - Multiphysics Simulation Approach -
Taizo Kobayashi, Toshiya Takami, Kin'ya Takahashi, Ryota Mibu, Mutsumi Aoyagi
The Proceedings of HPCAsia07   91-96   2007
Toshiya Takami and Hiroshi Fujisaki
Physical Review E   75(3,Pt.2) 036219   2007
One-sided Communication Implementation in FMO Method
J. Maki, Y. Inadomi, T. Takami, R. Susukita, H. Honda, J. Ooba, T. Kobayashi, R. Nogita, K. Inoue and M. Aoyagi
Proceedings of the 9th High Performance Computing International Conference & Exhibition (HPCAsia2007)   137-142   2007
Toshiya Takami, Jun Maki, Jun'ichi Ooba, Yuuichi Inadomi, Hiroaki Honda, Ryutaro Susukita, Koji Inoue, Taizo Kobayashi, Rie Nogita, Mutsumi Aoyagi
AIP Conference Proceedings   963(2) 122-125   2007
Toshiya Takami, Hiroshi Fujisaki
AIP Conference Proceedings   963(2) 821-824   2007
T. Ikegami, J. Maki, T. Takami, Y. Tanaka, M. Yokokawa, S. Sekiguchi, M. Aoyagi
Proceedings of 8th IEEE/ACM International Conference on Grid Computing (GRID 2007) (IEEE Conference Proceedings)   153-160   2007
Toshiya Takami,Jun Maki,Jun-ichi Ooba,Yuichi Inadomi,Hiroaki Honda,Taizo Kobayashi,Rie Nogita,Mutsumi Aoyagi
CoRR   abs/cs/0701075    2007   [Refereed]
Toshiya Takami, Hiroshi Fujisaki, Takayuki Miyadera
Advances in Chemical Physics   130(A) 435-458   2005
Toshiya Takami and Hiroshi Fujisaki
Journal of the Physical Society of Japan   73(11) 3215-3216   2004
H. Hasegawa, J. Z. Ma, and T. Takami
Surface Review and Letters   3(1) 13-17   1996
Toshiya Takami
Physical Review E   52(3 Pt A) 2434-2442   1995
Toshiya Takami
Progress of Theoretical Physics Supprement   116(116) 303-309   Aug 1994
We study quantum classical correspondence in nonintegrable systems with a continuous parameter. In a stadium billiard with an aspect ratio as a parameter, we show that the slope of the parametric motion of eigenvalues is mainly due to the first de...
Nonuniversality in Curvature Distributions of Quantum Levels
Hiroshi Hasegawa and Toshiya Takami
J. Phys. Soc. Jpn. Supplement A   63S(A) 122-130   1994
Unstable Periodic Trajectories of the Stadium Billiard - Newton Method -
Shinji Koga, Shinji Akiyama and Toshiya Takami
Proceedings of International Symposium on Information Physics as a part of International Symposia on Information Sciences (ISKIT'92)   7-13   1992
Toshiya Takami and Hiroshi Hasegawa
Physical Review Letters   68(4) 419-422   1992
Toshiya Takami
Physical Review Letters   68(23) 3371-3374   1992
Toshiya Takami
Journal of the Physical Society of Japan   60(8) 2489-2491   1991

Misc

 
Toshiya Takami, Akira Nishida
IPSJ SIG Notes   2011(6) 1-8   Sep 2011
The time-domain parallelism, known as Parareal-in-Time algorithm, has been applied to scientific problems described by ordinary differential equations or partial differential equations. In this report, applicability of this algorithm to simple lin...
Yuta Oshikawa, Taizo Kobayashi, Yoshiyuki Morie, Toshiya Takami, Mutsumi Aoyagi
IPSJ SIG Notes   2011(20) 1-7   Jul 2011
As represented by "K" computers and TSUBAME 2.0, large-scale computing environments are progressing dramatically and becomming heterogeneous with such as GPGPU. We propose coupled and cooparated simulation, which is growing demand for computationa...
Toshiya Takami, Mikito Toda, Kenji Fukumizu
IPSJ SIG Notes   2011(3) 1-8   Mar 2011
In this report, methods of minimizing numerical data obtained by largescale applications are investigated. Recent development of massively parallel machines enables us to challenge new problems in the field of computational sciences. However, it r...
TAKAMI Toshiya, Fujisaki Hiroshi
Meeting abstracts of the Physical Society of Japan   66(1)    Mar 2011
Toda Mikito, Takami Toshiya, Fukumizu Kenji
Meeting abstracts of the Physical Society of Japan   66(1)    Mar 2011
Yasunori Ito, Kinya Takahashi, Masataka Miyamoto, Toshiya Takami, , Akira Nishida, Mutumi Aoyagi
IPSJ SIG Notes   2011(17) 1-6   Feb 2011
We numerically studied the edge-tone by using 2D and 3D models. Particularly we investigated Lighthill's sound source distributions comparing with distributions of vorticity.
Takahashi Kin'ya, Miyamoto Masataka, Ito Yasunori, Takami Toshiya, Kobayashi Taizo, Nishida Akira, Aoyagi Mutsumi
RIMS Kokyuroku   1719 26-36   Nov 2010
Takami Toshiya, Shimokawa Michiko, Fujisaki Hiroshi, Kobayashi Taizo
Meeting abstracts of the Physical Society of Japan   65(2)    Aug 2010
Takami Toshiya, Fujisaki Hiroshi
Meeting abstracts of the Physical Society of Japan   65(2)    Aug 2010
TAKAMI Toshiya
Meeting abstracts of the Physical Society of Japan   65(1)    Mar 2010
Kobayashi T., Takami T., Miyamoto M., Ito Y., Takahashi K., Nishida A., Aoyagi M.
Meeting abstracts of the Physical Society of Japan   65(1)    Mar 2010
Miyamoto M., Takami T., Kobayashi T., Nishida A., Aoyagi M., Takahashi K.
Meeting abstracts of the Physical Society of Japan   65(1)    Mar 2010
Yuichi Inadomi, Toshiya Takami, Jun Maki, Taizo Kobayashi, Mutsumi Aoyagi
Advances in Parallel Computing   19 220-227   2010
Takami T., Fujisaki H., Kobayashi T., Aoyagi M.
Meeting abstracts of the Physical Society of Japan   64(2)    Aug 2009
Miyamoto M., Takami T., Kobayashi T., Nishida A., Aoyagi M., Takahashi K.
Meeting abstracts of the Physical Society of Japan   64(2)    Aug 2009
MIBU Ryota, KOBAYASHI Taizo, OOBA Jun'ichi, TAKAMI Toshiya, UEDA Masatsugu, YAMAMOTO Yusuke, MASHIHARA Hiroyuki, AMANO Hirofumi, AOYAGI Mutsumi
IPSJ SIG Notes   2008(125) 19-23   Dec 2008
Administrative operations in Grid are much complicated even in the smallest system since various functions in distributed computers are connected through middleware. Administrators must setup large distributed components manually into the system w...
Kobayashi Taizo, Takami Toshiya, Takahashi Kin'ya, Mibu Ryota, Aoyagi Mutsumi
Meeting abstracts of the Physical Society of Japan   63(2)    Aug 2008
Takami Toshiya, Kobayashi Taizo, Takahashi Kin'ya, Mibu Ryota, Aoyagi Mutsumi
Meeting abstracts of the Physical Society of Japan   63(1)    Feb 2008
Kobayashi Taizo, Takami Toshiya, Takahashi Kin'ya, Mibu Ryota, Aoyagi Mutsumi
Meeting abstracts of the Physical Society of Japan   63(1)    Feb 2008
IKEGAMI TSUTOMU, MAKI JUN, TAKAMI TOSHIYA, TANAKA YOSHIO, YOKOKAWA MITSUO, SEKIGUCHI SATOSHI, AOYAGI MUTSUMI
情報処理学会論文誌. コンピューティングシステム   48(8) 83-93   May 2007
The Grid technology was used to develop the GridFMO application to perform quantum chemical calculations in the distributed parallel environment. The Fragment Molecular Orbital (FMO) method was employed to obtain accurate electronic states of prot...
Takami Toshiya, Maki Jun, Ooba Jun-ichi, Kobayashi Taizo, Nogita Rie, Aoyagi Mutsumi
Meeting abstracts of the Physical Society of Japan   62(1)    Feb 2007
Kobayashi T., Takami T., Maki J., Ooba J., Nogita R., Aoyagi M.
Meeting abstracts of the Physical Society of Japan   62(1)    Feb 2007
GridFMO : Large Scale Quantum Chemistry on the Grid
Tsutomu Ikegami, Jun Maki, Toshiya Takami, Yoshio Tanaka, Mitsuo Yokokawa, Satoshi Sekiguchi, Mutsumi Aoyagi
Transactions of Information Processing Society of Japan   48(SIG8) 83-93   2007
Takami T., Fujisaki H.
Meeting abstracts of the Physical Society of Japan   59(1) 3215-3216   Mar 2004
Takami T., Fujisaki H., Miyadera T.
Meeting abstracts of the Physical Society of Japan   58(2)    Aug 2003
Takami Toshiya
Meeting abstracts of the Physical Society of Japan   56(2)    Sep 2001
TAKAMI Toshiya
Meeting abstracts of the Physical Society of Japan   54(2)    Sep 1999
HASEGAWA Hiroshi, TAKAMI Toshiya
Bussei Kenkyu   62(1) 118-130   Apr 1994
We are motivated by the recent theoretical analyses of Zakrzewski and Delande (Z-D) on curvature distribution of chaotic quantum levels to construct a unified theory which is capable of predicting the nonuniversal feature of the distribution P(K) ...
Hasegawa H., Takami T.
RIMS Kokyuroku   859 71-90   Mar 1994
TAKAMI Toshiya
年会講演予稿集   46(3)    Sep 1991
Hasegawa Hiroshi, Takami Toshiya
日本物理學會誌   46(9) 750-757   Sep 1991
2自由度古典力学系がそのハミルトン関数の非可積分のゆえに示す軌道の複雑さ(カオス)はどのようにその量子状態へ反映されるのだろうか. そのエネルギー準位と波動関数の様相を問う'量子カオス'の研究が実験の裏付けのもとで進められるようになった. 反磁性水素型原子の高励起状態を調べる分光研究がそれである. 最近の進展状況を報告する.

Books etc

 
Chapter 9: Coarse-Grained Picture for Controlling Quantum Chaos, Toshiya Takami, Hiroshi Fujisaki, and Takayuki Miyadera, in "Geometric Structures of Phase Space in Multidimensional Chaos" Edited by M. Toda, T. Komatsuzaki, T. Konishi, R.S. Berry and S・・・
T. Takami, H. Fujisaki, and T. Miyadera
John Wiley & Sons   2005   ISBN:9780471711582
Chapter 9: Coarse-Grained Picture for Controlling Quantum Chaos, Toshiya Takami, Hiroshi Fujisaki, and Takayuki Miyadera, in "Geometric Structures of Phase Space in Multidimensional Chaos" Edited by M. Toda, T. Komatsuzaki, T. Konishi, R.S. Berry ...

Conference Activities & Talks

 
PinT Computation of Swarm Behavior
TAKAMI Toshiya
SIAM PP18   10 Mar 2018   
Parereal Acceleration of Matrix Multiplication
T. Takami and A. Nishida
International Conference on Parallel Computing 2011 (Gent, Belgium)   Aug 2011   
Controllability of Quantum States by a Weak External Field
Dynamics Days Europe (DDEU10, Bristol, United Kingdom)   2010   
Deformation and Separation Dynamics of a Coffee Droplet in Milk
6th Dynamics Days Asia Pacific (DDAP6, Sydney, Australia)   2010   
RPC/MPI Hybrid Implementation of OpenFMO -- Al l Electron Calculations of a Ribosome --
International Conference on Parallel Computing (ParCo09, Lyon, France)   2009   
Controllability and dynamics of generic quantum states driven by an external field
International Conference on Nonlinear Science as Dynamics Days Asia-Pacific 5 (DDAP5, Nara, Japan)   2008   
Multi-physics Description and Hierarchical Structures of Molecular Systems
International Conference on Nonlinear Science as Dynamics Days Asia-Pacific 5 (DDAP5, Nara, Japan)   2008   
Multi-Physics Scientific Simulations on OpenFMO Framework
1st International Conference of The Grand Challenge to Next-Generation Integrated Nanoscience (Odaiba, Tokyo, Japan)   2008   
Analytic Approach for Controlling Realistic Quantum Chaotic Systems
The 5th International Conference of Computational Methods in Science and Engineering (ICCMSE07, Corfu, Greece)   2007   
Multi-physics Extension of OpenFMO Framework
The 5th International Conference of Computational Methods in Science and Engineering (ICCMSE07, Corfu, Greece)   2007   
Open-architecture Implementation of Fragment Molecular Orbital Method for Peta-scale Computing
The Second IEEE/ACM International Workshop on High Performance Computing for Nano-science and Technology (HPCNano06, Tampa FL.)   2006   
Steering Quantum States in Banded Random-Matrix Systems
Quantum Mechanics and Chaos (QMC 2006, Osaka City Univ., Osaka)   2006   
Variational Construction of 3D-RISM/SCF Coupled Simulation and its Application to Structural Optimization by Free Energy
The XIIth International Congress of Quantum Chemistry (XII-ICQC2006, Kyoto, Japan)   2006   
Free Energy Gradient in 3D-RISM/SCF and its Application to Exploring Hydration Structure of Large Molecule
NAREGI International Nanoscience Conference (Nara, Japan)   2005   
The role of stochasticity in controlling quantum systems.
YITP International Symposium, ``Geometrical Structures of Phase Space in Multi-dimensional Chaos'' (Kyoto, Japan)   2003   
Optimal Control of Random Matrix Systems with a Parameter
JST International Symposium ``Control of Molecules in Intense Laser Fields'' (Tokyo, Japan)   2002   
Quantum Classical Correspondence in Nonintegrable Systems with Continuous Parameter
The 5th Yukawa International Seminar, ``Quantum and Chaos, How Incompatible?'' (YKIS'93, Kyoto, Japan)   1993   

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 1997 - 1998    Investigator(s): Suehiro IWATA
1) The noble structures of water cluster anions (H2O)n- were found in a series of ab initio molecular orbital calculations. The excess electron is trapped under the electrostatic field of HO bonds of water molecules. The similar structure was foun...