- Nomura, Y, Saito, S, Ishiwata, R, and Sugiyama, Y. Hopf bifurcation analysis for a dissipative system with asymmetric interaction: Analytical explanation of a specific property of highway traffic. Physical Review E, American Physical Society, 93(1):012215, January 2016. [ DOI | http ]
- Ishiwata, R and Sugiyama, Y. Flow instability originating from particle configurations using the two-dimensional optimal velocity model. Physical Review E, 92(6):062830, December 2015. [ DOI | http ]
- Matsumae, H, Ishiwata, R, Minamoto, T, Ishida, N, Ogishima, S, and Tanaka, H. Detection of periodic patterns in microarray data reveals novel oscillating transcripts of biological rhythms in Ciona intestinalis. Artificial Life and Robotics, Springer Japan, pages 1--6, November 2015. [ DOI | .html ]
- Ishiwata, R, Kinukawa, R, and Sugiyama, Y. Analysis of motion of two-dimensional Optimal Velocity particles on simple maze using Kantorovich metric. In International Conference on Mathematical Modeling and Applications. Tokyo, January 2015.
- Ishiwata, R and Iwasa, M. Extracellular and intracellular factors regulating the migration direction of a chemotactic cell in traveling-wave chemotaxis. Physical Biology, IOP Publishing, 12(2):026004, 2015. [ DOI | http ]
- Ishiwata, R, Kinukawa, R, and Sugiyama, Y. Analysis of motion of two-dimensional Optimal Velocity particles on simple maze using Kantorovich metric (in Japanese). In Symposium on Simulation of Traffic Flow (In Japanese). Nagoya, December 2014. [ .pdf ]
- Ishiwata, R and Sugiyama, Y. Quantitative Analysis for Quasi-Stable Pattern in the system of Optimal Velocity Model. In Joint Annual Meeting of the Japanese Society for Mathematical Biology and the Society for Mathematical Biology. Osaka, July 2014.
- Tanabe, M and Ishiwata, R. Swarm Oscillators - scenario of spiral aggregation - (in Japanese). In JPS 69th Annual Meeting (in Japanese). March 2014.
- Ishiwata, R, Tanabe, M, and Iwasa, M. Swarm Oscillators - non-equilibrium state with large number of particle - (in Japanese). Meeting abstracts of the Physical Society of Japan, 1:352, 2014.
- Katayama, T, Wilkinson, MD, Micklem, G, Kawashima, S, Yamaguchi, A, Nakao, M, Yamamoto, Y, Okamoto, S, Oouchida, K, Chun, HW, Aerts, J, Afzal, H, Antezana, E, Arakawa, K, Aranda, B, Belleau, F, Bolleman, J, Bonnal, RJ, Chapman, B, Cock, PJ, et al. The 3rd DBCLS BioHackathon: improving life science data integration with Semantic Web technologies. Journal of Biomedical Semantics, 4(1):6, 2013. [ DOI | http ]
- Ishiwata, R and Sugiyama, Y. Relationships between power-law long-range interactions and fractional mechanics. Physica A: Statistical Mechanics and its Applications, 391(23):5827--5838, December 2012. [ DOI | http ]
- Iwasa, M and Ishiwata, R. Transition between Aggregation and Dispersion of Chemotactic Cells(in Japanese). In Symposium on Simulation of Traffic Flow (In Japanese). Nagoya, December 2011.
- Iwasa, M and Ishiwata, R. Phenomenological understanding of aggregation and dispersion of chemotactic cells. arXiv.org, October 2011. [ arXiv | http ]
- Ishiwata, R and Sugiyama, Y. Analysis of aggregation behavior with 2D OV model. In Symposium on Simulation of Traffic Flow (In Japanese). Nagoya, November 2010.
- Ishiwata, R and Sugiyama, Y. Instability of Collective Flow in Two-Dimensional Optimal Velocity Model. In Natural Computing, pages 191--198. Springer Japan, Tokyo, 2010. ISBN 978-4-431-53867-7. [ DOI | http ]
- Ishiwata, R and Sugiyama, Y. Instability of Collective Flow in Two-Dimensional Optimal Velocity Model. Natural Computing, Natural Computing, 2:191--198, 2010. [ http ]
- Ishiwata, R and Sugiyama, Y. Array dependent instability of homogenous flow with two-dimensional OV model(in Japanese). In Symposium on Simulation of Traffic Flow (In Japanese). Nagoya, December 2009.
- Matsumae, H, Minamoto, T, Ishiwata, R, Hanai, S, Azumi, K, Ogishima, S, Tanaka, H, and Satoh, N. Microarray analysis of circadian gene expressions in Ciona intestinalis. In The 5th International Tunicate meeting. Okinawa, June 2009.
- Ishiwata, R, Morioka, MS, Ogishima, S, and Tanaka, H. BioCichlid: central dogma-based 3D visualization system of time-course microarray data on a hierarchical biological network. Bioinformatics (Oxford, England), Oxford University Press, 25(4):543--544, February 2009. [ DOI | http ]
- Ishiwata, R and Sugiyama, Y. Relationships between models of long range power law interaction and mechanics containing fractional derivative(in Japanese). In Symposium on Simulation of Traffic Flow (In Japanese). Nagoya, November 2008.
- Morioka, MS, Ishiwata, R, Ogishima, S, Sone, T, Oshiro, S, and Tanaka, H. GSMTA: novel method of gene-set trend analysis for temporal gene expression data. In 4th EMBO Conference From Functional Genomics to Systems Biology EMBL. Heidelberg, November 2008.
- Morioka, MS, Ishiwata, R, Ogishima, S, Oshiro, S, and Tanaka, H. Temporal gene expression analysis of hypoxia in human muscle cell. In The 8th International conference on system Biology. California, October 2007.
- Ishiwata, R. Mathematical modeling of emission of inducers of apoptosis. Master's thesis, 2006.