Astrophysics and Mathematical Sciences Group
Faculty of Information Science and Technology,
Osaka Institute of Technology, Japan
We started our group April, 2006. Group head: Hisa-aki Shinkai
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Research Summary of JSPS
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Articles (in English) (in Japanese)
Presentations
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Seminars
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site map
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Who plans to join
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Bachelor Thesis list
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Lectures(J) Seminars(J) International School of Science 2016 at YRP print/viewgraph download |
OIT Lab.Navi (J) OIT Interview.Navi (J) Books by Hisaaki (J)
Appearances in Magazines
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Public Lectures
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Astronomical Observations
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Our Local News
- Invited talk,
"LIGO-Virgo-KAGRA network for hunting gravitational waves"[slide pdf], at JGRG30 - A new article, "Test of general relativity by a pair of transportable optical lattice clocks", M. Takamoto, I. Ushijima, N. Ohmae, T. Yahagi, K. Kokado, H. Shinkai, and H. Katori, Nature Photonics, April 2020 doi.org/10.1038/s41566-020-0619-8
- Review talk, "Status of KAGRA" [pdf] , at the LIGO-Virgo-KAGRA meeting telecon, March 2020.
- Seminar talk, "Introduction to Sparse Modeling" pdf, at the boot camp of the A01 group Innovative Area Research Project, January 2020.
- A book translation, Problem Book in Relativity and Gravitation by Alan P Lightman, William H Press, Richard H Price and Saul A Teukolsky (Princeton, NJ: Princeton University Press 1975). Japanese translation is published (translated by H.Shinkai and T.Torii, Morikita Publishing Co., 2019 November).
- Review talk, "Status of KAGRA" [slide pdf] at the LVC meeting (or here) at Warsaw, Poland, September 2019.
- H. Shinkai takes the chair of the board of the KAGRA Scientific Congress again as the second term, and works as the spokesperson of KAGRA (2017/8--2019/8, 2019/8--2021/8)
- An article, "First cryogenic test operation of underground km-scale gravitational-wave observatory KAGRA", Class. Quant. Grav. 36 (2019) 165008 [arXiv:1901.03569] , [pdf]
- An article, "Comparison of various methods to extract ringdown frequency from gravitational wave data", Phys. Rev. D. 99 (2019) 124032, [arXiv:1811.06443] [pdf]
- Review talk, "Latest Status of KAGRA" at GR22/Amaldi13 at Valencia, Spain, July 2019. [talk pdf]
- Review talk, "Status of KAGRA" at LIGO-Virgo collaboration meeting at Milwaukee, USA, March 2019. [pdf]/ [keynote]
- An article, "INO: Interplanetary Network of Optical Lattice Clocks", Int. J. Mod. Phys. D. 28 (2019) 19400029, https://doi.org/10.1142/S0218271819400029, [arXiv:1809.10317] or [pdf]
- An article, "KAGRA: 2.5 generation interferometric gravitational wave detector", was published as Nature Astronomy, 3 (2019) 35. [arXiv:1811.08079] , [pdf].
- Presentation at JGRG28 (Tokyo); poster: INO: Interplanetary Network of Optical Lattice Clocks [poster A0 pdf]
- A textbook for undergrad students and generals, Frontiers of Physics and Cosmology -- General Relativity, Quantum Mechanics, and Cosmology -- (H.Shinkai, Kyoritsu Publishing Co., 2018)[amazon japan]
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Presentation at Fifteenth Marcel Grossmann Meeting - MG15
talk 1 (session GW4): Gravitational-wave detector using optical lattice clocks in space [registration pdf] / [talk pdf]
talk 2 (session BH2): Autoregressive Approach to Extract Ring-down Gravitational Wave of Black-hole Merger [registration pdf] / [talk pdf]
talk 3 (session AT1): Nonlinear Dynamics in the Einstein-Gauss-Bonnet gravity [A0 pdf] / [talk pdf] -
Presentation at
The 4th KAGRA International Workshop, Seoul, Korea
review short talk: KAGRA introduction and status [pdf]
poster: Autoregressive Approach to Extract Ring-down Gravitational Wave of Black-hole Merger [A0 pdf]
- Article, "Construction of KAGRA: an Underground Gravitational Wave Observatory" by KAGRA Collaboration, was published. PTEP (2018) 013F01, [arXiv:1712.00148]
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Presentation at
The 13th International Conference on Gravitation, Astrophysics, and Cosmology (ICGAC-XIII), Seoul, Korea
Nonlinear dynamics in Einstein-Gauss-Bonnet gravity [slide pdf],EPJ Web of Conferences 168, 04014 (2018),
[proceedings pdf]
Gravitational waves from merging intermediate-mass black holes [slide pdf],EPJ Web of Conferences 168, 05002 (2018),
[proceedings pdf]
- Article, "Nonlinear dynamics in the Einstein-Gauss-Bonnet gravity" by H. Shinkai, and T. Torii. abstract / [pdf] / [arXiv:1706.02070] || Physical Review D96 (2017) 044009
- Article, "Gravitational waves from merging intermediate-mass black holes : II Event rates at ground-based detectors" by H. Shinkai, N. Kanda, and T. Ebisuzaki. abstract / [arXiv:1610.09505] || Astrophysical Journal 835 (2017) 276
- Seminar at Korea Astronomy and Space Science Institute (KASI), Daejeon. Gravitational waves from merging intermediate-mass black holes [viewgraph pdf]
- A book translation, How to build a Universe by Ben Gilliland (translated by H.Shinkai and T.Torii, Moruzen Publishing Co., 2016; ISBN 978-4621300503) was published in December.
- A textbook for students and generals, Physics answers to "why?" in your daily life (H.Shinkai, Morikita Publishing Co., 2015; ISBN 978-4-627-15611-1) was published in October.
- A book for generals, Black-Holes, Expanding Universe, and Gravitational Waves --- One hundred years of general relativity --- (H.Shinkai, Kobunsha Publishing Co., 2015; ISBN 978-4-334-03877-8) was published in September.
- An article, "Tensor calculus softwares -- One second for Rieman tensors", was published in general magazine 'Mathematical Sciences (Suuri-Kagaku)' July issue in 2015.
- A textbook, Calculus with Applications: A Structured Approach, Second edition (H.Shinkai, Kyoritsu Publishing Co., 2013; ISBN978-4-320-11060-1) was published.
- "Wormholes in higher dimensional space-time: Exact solutions and their linear stability analysis" (T.Torii, and H. Shinkai) Physical Review D 88, 064027 (2013) (6 pages); arXiv:1309.2058; (pdf)
- "Wormhole evolutions in higher-dimensional gravity --- Effects of Gauss-Bonnet gravity terms" (poster pdf 6MB) at The 20th International Conference on General Relativity and Gravitation (Warsaw, Poland, July 2013)
- A textbook, Probability and Statistics with Applications: A Structured Approach (H.Shinkai, Kyoritsu Publishing Co., 2012; ISBN978-4-320-01879-2) was published.
- "Constraint Propagation of $C^2$-adjusted Formulation II
--- Another Recipe for Robust BSSN Evolution System ---" (T.Tsuchiya, G.Yoneda, and H. Shinkai)
was published as Physical Review D 85, 044018 (2012) (12 pages); arXiv:1109.5782; (pdf) - "Difficulty levels of SUDOKU: Proposal of D-score using solving logics" (pdf in Japanese) (T. Dode and H. Shinkai) was published as Momoirs of the Osaka Institute of Technology, 56-1 (2001), 1-18.
- "Numerical Investigations of Five-dimensional Gravitational Collapses" (pdf), (H. Shinkai and Y. Yamada) submitted to Int. J. Mod. Phys. D., as a proceedings of "2011 Shanghai Asia-Pacific School and Workshop on Gravitation (Shanghai, Feb. 2011)".
- "Constraint Propagation of C^2-adjusted formulation" (T. Tsuchiya, G. Yoneda and H. Shinkai) was published as Phys. Rev. D. 83, 064032 (2011) [10pages]; [arXiv:1103.1202]; (pdf)
- 2011 Shanghai Asia-Pacific School and Workshop on Gravitation (Shanghai)
Talk, Gravitational Collapse in Five-dimensional Space-time slide [pdf] - "Formation of Naked Singularities in Five-dimensional Space-time" (Y. Yamada and H. Shinkai) was published as Phys. Rev. D. 83, 064006 (2011) [5 pages]; [arXiv:1102.2090] (pdf)
- A popular book, "Time Machine and Science of Space-time" (H. Shinkai, Natsume Publishing Co., 2011; ISBN: 978-4-8163-5025-2) was published.
- A textbook, Ordinary Differential Equations with Applications: A Structured Approach (H.Shinkai, Kyoritsu Publishing Co., 2010; ISBN978-4-320-01879-2) was published.
- "Black Objects and Hoop Conjecture in Five-dimensional Space-time" (Y. Yamada and H. Shinkai) [arXiv:0907.2570] was published in Classical and Quantum Gravity 27 (2010) 045012 (15pages) ([pdf])
- "Formulations of the Einstein equations for numerical simulations" (H. Shinkai) [arXiv:0805.0068] was
published in Journal of Korean Physical Society 54 (2009) 2513-2528
- A textbook, Calculus with Applications: A Structured Approach (H.Shinkai, Kyoritsu Publishing Co., 2009; ISBN978-4-320-01879-2) was published.
- "N+1 Formulations in Einstein-Gauss-Bonnet gravity" (T. Torii and H. Shinkai) (pdf) arXiv:0810.1790; Physical Review D 78, 084037 (2008) (13 pages)
- January 24-26, 2008, Shinkai gave a 2-hour lecture on Formulation Problem in Numerical Relativity at APCTP Winter School on Black Hole Astrophysics 2008 (Daejeon, Korea). Lecture Notes
- "Numerical experiments of adjusted BSSN systems for controlling constraint violations" (K. Kiuchi and H. Shinkai) arXiv:0711.3575; Physical Review D 77, 044010 (2008) (11 pages)