CV in English

Name: ISHII Hiroshi

Affiliation: Research Center of Mathematics for Social Creativity, Research Institute for Electronic Science, Hokkaido University

E-mail：hiroshi.ishii [at] es.hokiudai.ac.jp

Keywords: Nonlocal reaction-diffusion equation, Nonlocal effect, Pattern formation problem

Professional Experience

Assistant professor at Hokkaido University 2023 Nov - present

    Working in Laboratory of Mathematical Modeling 

    of Research Center of Mathematics for Social Creativity, Research Institute for Electronic Science

Program-specific researcher at Kyoto University                2022 Apr – 2023 Oct

Worked in the Mathematical Biology and Medicine Laboratory 

of Kyoto University Institute for the Advanced Study of Human Biology (ASHBi)  

Research Fellowships for Young Scientists                            2021 Apr – 2022 Apr

Awarded by Japan Society for the Promotion of Science

Research Assistant of Hokkaido University                          2020 Jul – 2021 Mar

Education

Doctor of Science in Mathematics,                                       2020 Apr – 2022 Mar

Hokkaido University, Hokkaido, Japan

Dissertation title: “Spatio and temporal dynamics of solutions for reaction-diffusion equations with nonlocal effect”

Supervisor: Shin-Ichiro Ei, Professor in Hokkaido University

Master of Science in Mathematics                                        2018 Apr – 2020 Mar

Hokkaido University, Hokkaido, Japan

Dissertation title: “Existence of traveling wave solutions to a nonlocal semi-linear equation”

Supervisor: Shin-Ichiro Ei, Professor in Hokkaido University

Bachelor of Science in Mathematics                                        2014 Apr – 2018 Mar

Hokkaido University, Hokkaido, Japan

Awards & Grants

Grant-in-Aid for Early-Career Scientists 2023 Apr - 2028 Mar

     The research grant of JPY 3,500,000 was provided.

Grant-in-Aid for JSPS Fellows                                                2021 Apr - 2022 Mar

The research grant of JPY 900,000 was provided.

Distinguished student award                                    2020 Apr

Awarded from the Faculty of Science at Hokkaido University.

(Preprints)

[9] H. Ishii

“Propagating front solutions in a time-fractional Fisher-KPP equation”

In revision. arXiv: [2311.15651] Propagating front solutions in a time-fractional Fisher-KPP equation (arxiv.org) 

[8] T. Miura, H. Ishii, Y. Hata, H. Takigawa-Imamura, S.-I. Ei, E. Ihara, Y. Ogawa

“A New Mathematical Model of Human Esophageal Motility Function”

In revision.

(Accepted)

[7] H. Ishii

“Asymptotic profiles of zero points of solutions to the heat equation”

Accepted by Proceedings of the Ametican Mathematical Society

[6] Y. Naroda, Y. Endo, K. Yoshimura, H. Ishii, S.-I. Ei and T. Miura

“Noise-induced scaling in skull suture interdigitation model”

PLoS ONE 15(12): e0235802, 14 pages.

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0235802

[5] S.-I. Ei, H. Ishii

“The motion of weakly interacting localized patterns for reaction-diffusion systems with nonlocal effect”

Discrete and Continuous Dynamical Systems Series B, 26(1), 173-190 (2021).

https://www.aimsciences.org/article/doi/10.3934/dcdsb.2020329

[4] S.-I. Ei, H. Ishii, S. Kondo, T. Miura, Y. Tanaka

“Effective nonlocal kernels on reaction-diffusion networks”

Journal of Theoretical Biology, 509, (2021), 110496, 17pages.

https://www.sciencedirect.com/science/article/pii/S0022519320303519

[3]  S.-I. Ei, H. Ishii, M. Sato, Y. Tanaka, M. Wang, T. Yasugi

“A continuation method for spatially discretized models with nonlocal interactions conserving size and shape of cells and lattices”

Journal of Mathematical Biology, 81, 981-1028 (2020).

https://doi.org/10.1007/s00285-020-01534-6

[2] S. Seirin-Lee, T. Sukekawa, T. Nakahara, H. Ishii, S-I. Ei

“Transitions to slow or fast diffusions provide a general property for in-phase or anti-phase polarity in a cell”

Journal of Mathematical Biology, 80, 1885-1917 (2020).

https://doi.org/10.1007/s00285-020-01484-z

[1] S.-I. Ei, J.-S. Guo, H. Ishii, and C.-C. Wu

“Existence of traveling wave solutions to a nonlocal scalar equation with sign-changing kernel”

Journal of Mathematical Analysis and Applications, 487(2) (2020) 124007, 14 pages.

https://www.sciencedirect.com/science/article/pii/S0022247X20301694

1. The 14th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Dec. 2024, Abudabhi, UAE

2. Okayama workshop, Oct. 2024, Okayama, Japan

3. 1st Kitami Mathematical Science Workshop, Aug. 2024, Hokkaido, Japan

4. Colloquium at Department of Mathematics, Hokkaido University, Jul. 2024, Hokkaido, Japan.

5. Hokudai-NYCU Joint Workshop on Applied Mathematics, Apr. 2024, Shinchu, Taiwan

6. 13th Muroran Nonliear Analysis Workshop, Jan. 2024, Hokkaido, Japan

7. CoMFoS23, Dec. 2023, Online

8. RIMS conference, Dec. 2023, Kyoto, Japan

9. Hakodate conference, Nov. 2023, Hokkaido, Japan

10. RIMS conference, Nov. 2023, Kyoto, Japan

11. Biwako Workshop on Mathematical Biology, Aug. 2023, Shiga, Japan

12. New development of pattern dynamics in reaction-diffusion systems, Jun. 2023, Hokkaido, Japan

13. Kyoto University Applied Mathematics seminar, Jun. 2023, Kyoto, Japan

14. The 13th AIMS Conference on Dynamical Systems, Differential Equations and Applications "SS08  Propagation Phenomena in Reaction-Diffusion Systems", Jun. 2023, Wilmington, US.

15. NCTS Webinar on Nonlinear Evolutionary Dynamics, Apr. 2023, Online.

16. Methods and Applications in Mathematical Life Sciences, Feb. 2023, Kyoto, Japan.

17. Kyoto-Vienna biomath workshop, Dec. 2022, Vienna, Austria.

18. JSIAM annual meeting, Mini-symposium “Mathematical medicine”, Sep. 2022, Sapporo, Japan.

19. JSIAM annual meeting, Mini-symposium “Mathematics of emergent and evolution phenomena in complex systems”, Sep. 2022, Sapporo, Japan.

20. JSMB annual meeting, Mini-symposium “Recent topics of reaction-diffusion systems related to mathematical biology”, Sep. 2022, online.

21. Kyoto Ekimae Seminar, Jul. 2022, Kyoto, Japan.

22. The 23rd northeastern symposium on mathematical analysis, Feb. 2022, online.

23. Meeting for Young Scientists in Mathematical Analysis, Nov. 2021, online.

24. 14th Partial Differential Equations and Mathematical Analysis for Young Scientists, Feb. 2021, online.

25. Hokuriku Workshop on Applied Mathematics 2021, Feb. 2021, online.

26. Applied Mathematics Freshman Seminar 2020, Dec. 2020, online.

27. ReaDiNet 2020: An online conference on mathematical biology, Oct. 2020, online.

28. 45th Sapporo Symposium on Partial Differential Equations, Aug. 2020,  online.

29. Fusion of reaction-diffusion systems and experiments 3, Feb. 2020, Kanazawa, Japan.

30. Hokkaido University PDE seminar, Nov. 2019, Sapporo, Japan.

31. China-Japan Workshop for Young Researchers on Nonlinear Diffusion Equations, Oct. 2019, Beijing, China.

32. Mini Workshop of Dynamics of localized patterns for reaction-diffusion systems and related topics, Aug. 2019, Sapporo, Japan.

33. Fusion of reaction-diffusion systems and experiments 2, Feb. 2019, Kanazawa, Japan.