Faculty Information - Saitou Akira | SOJO UNIVERSITY

（Last updated : 2026-01-06 15:26:42）

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Saitou Akira

Department / Course FACULTY OF COMPUTER AND INFORMATIONSCIENCES Department of Computer and Information Sciences

Job

Book and thesis
1.	2026	Papers	Quantum computing for radiation therapy optimization Medical Physics 53,pp.e70269 (Co-authored)
2.	2026	Papers	Recent Extensions of the ZKCM Library for Parallel and Accurate MPS Simulation of Quantum Circuits post-conference Proceedings of CCP2023 (Springer Proceedings in Physics) (in press) (Sole-authored)
3.	2025	Papers	New version of ZKCM, a C++ multiprecision matrix library usable for numerical studies of quantum information Computer Physics Communications 311,pp.109564 (Sole-authored)
4.	2020	Papers	Building a small-scale cluster machine—a hands-on report Bulletin of Sojo University 45,pp.75-96 (Sole-authored)
5.	2015	Papers	Quantum digital-to-analog conversion algorithm using decoherence Quantum Information Processsing 14,pp.2729-2748 (Sole-authored)
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Academic background
1.	1998/04～2002/03	Department of Electronics and Materials Physics Faculty of Engineering Science Osaka University Graduated BE (Atomic/Molecular/Quantumelectronics)
2.	2002/04～2004/03	Master Department of Physical Sciences Graduate School, Division of Engineering Science Osaka University Finished ME (Atomic/Molecular/Quantumelectronics)
3.	2004/04～2007/03	Doctorial Department of Systems Innovation Graduate School, Division of Engineering Science Osaka University Finished PhD in Science (Computational science)

Business career
1.	2006/04 ～ 2007/03	JSPS Research Fellow DC2 Osaka University Graduate School of Engineering Science
2.	2007/04 ～ 2008/03	JSPS Research Fellow PD Osaka University Graduate School of Engineering Science
3.	2008/04 ～ 2012/03	Postdoctoral Researcher Kinki University (Kindai University) Research Center for Quantum Computation
4.	2012/04 ～ 2013/09	Research Fellow National Institute of Informatics Principles of Informatics Research Division
5.	2013/10 ～ 2016/03	Assistant Professor Toyohashi University of Technology Department of Computer Science and Engineering
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Belonging society
1.		IEICE
2.		Physical Society of Japan
3.		The Japan Society for Industrial and Applied Mathematics

Qualification and license
1.	2006/06	Software Design and Development Engineer Examination: PASS
2.	2023/06	Network Specialist Examination: PASS

Activity in society
1.		One of Most Active Reviewers, year 2016, Quantum Information Processing (Springer)

Research topic, funded research, and department laboratory expense
1.	2006/04 ～ 2008/03	Analytical and numerical research on quantum algorithms for ensemble quantum computers Grant-in-Aid for JSPS Fellows
2.	2009/04 ～ 2011/03	Economization of quantum resources for quantum functional networks Grant-in-Aid for Young Scientists (Start-up)
3.	2013/04 ～ 2016/03	Multiprecision DMRG applied for reconsideration of quantum error models Grant-in-Aid for Young Scientists (B)
4.	2018/04 ～ 2024/03	A multiprecision numerical renormalization group method applied for prime factorization Grant-in-Aid for Scientific Research (C)

Exhibition, concert, and athletic meet
1.	1999 ～	cgtkcalc, a simple desktop calculator for complex numbers
2.	2002 ～ 2004	SILQCS
3.	2005 ～ 2011	qcomp.mac
4.	2011 ～	zkcm, a C++ library for multiprecision complex-number matrix computation
5.	2011 ～	ZKCM_QC

Home Page
http://silqcs.org/~saitoh/

Present specialized field
Theory of informatics, Semiconductors, optical properties of condensed matter and atomic physics, Computational science keyword(Basic Informatics, Quantum Information, Computational Science, Network)