ENATSU YOICHI 江夏洋一

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Enatsu Yoichi 江夏洋一

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Researcher Number	90726910
Other IDs
Affiliation (Current)	2025: 東京理科大学, 教養教育研究院北海道・長万部キャンパス教養部, 講師
Affiliation (based on the past Project Information) *help	2025: 東京理科大学, 教養教育研究院北海道・長万部キャンパス教養部, 講師 2022 – 2023: 東京理科大学, 教養教育研究院北海道・長万部キャンパス教養部, 講師 2021: 東京理科大学, 教養教育研究院北海道・長万部キャンパス教養部, 講師 2020: 東京理科大学, 理学部第一部応用数学科, 講師 2019: 東京理科大学, 理学部第一部応用数学科, 助教 … More 2016 – 2017: 東京理科大学, 理学部第一部応用数学科, 助教 2015: 東京理科大学, 理学部, 助教 2014: 東京大学, 数理(科)学研究科(研究院), 研究員 Less
Review Section/Research Field	Principal Investigator Basic Section 12040:Applied mathematics and statistics-related / Mathematical analysis
Keywords	Principal Investigator 安定性 / 感染症モデル / 微分方程式 / 数理モデル / 進行波解 / 事由境界問題 / 自由境界問題 / 時間遅れ / 被食者－捕食者モデル / 人口モデル / 被食者―捕食者モデル

Global dynamics of delay equations and free boundary problemsPrincipal Investigator
- Principal Investigator
  
  江夏洋一
- Project Period (FY)
  2025 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Tokyo University of Science
Dynamical behavior of mathematical models and its applications to threshold principlePrincipal Investigator
- Principal Investigator
  
  Enatsu Yoichi
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Tokyo University of Science
Asymptotic behavior of nonlinear equations in mathematical biologyPrincipal Investigator
- Principal Investigator
  
  Enatsu Yoichi
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Mathematical analysis
- Research Institution
  Tokyo University of Science
  The University of Tokyo

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 Other

All Journal Article Presentation

[Journal Article] Hunting cooperation in a prey-predator model with maturation delay2024
- Author(s)
  Enatsu Yoichi、Roy Jyotirmoy、Banerjee Malay
- Journal Title
  
  Journal of Biological Dynamics
  
  Volume: 18 Issue: 1
- DOI
  10.1080/17513758.2024.2332279
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14598
[Journal Article] Traveling wave solution fora diffusive epidemic model with a free boundary2021
- Author(s)
  Yoichi Enatsu, Emiko Ishiwata, Takeo Ushijima
- Journal Title
  
  Discrete and Continuous Dynamical Systems - Series S
  
  Volume: 14 Issue: 3 Pages: 835-850
- DOI
  10.3934/dcdss.2020387
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03424, KAKENHI-PROJECT-18K03427, KAKENHI-PROJECT-19K14598
[Journal Article] Impact of non-separable incidence rates on global dynamics of virus model with cell-mediated, humoral immune responses2017
- Author(s)
  Y. Enatsu, J. Wang, T. Kuniya
- Journal Title
  
  Journal of Nonlinear Sciences and Applications
  
  Volume: 10 Issue: 10 Pages: 5201-5218
- DOI
  10.22436/jnsa.010.10.07
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17585, KAKENHI-PROJECT-26800066
[Journal Article] Global analysis of a multi-group SIR epidemic model with nonlinear incidence rates and distributed moving delays between patches2016
- Author(s)
  Y. Muroya, T. Kuniya, Y. Enatsu
- Journal Title
  
  Electronic Journal of Qualitative Theory of Differential Equations, Proceedings of the 10th Colloquium on the Qualitative Theory of Differential Equations
  
  Volume: 36 Pages: 1-36
- DOI
  10.14232/ejqtde.2016.8.16
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17585, KAKENHI-PROJECT-26800066
[Journal Article] Reconsideration or r/K selection theory using stochastic control theory and nonlinear structured population models2016
- Author(s)
  R. Oizumi, T. Kuniya, Y. Enatsu
- Journal Title
  
  PLoS ONE
  
  Volume: 11 Issue: 6 Pages: e0157715-e0157715
- DOI
  10.1371/journal.pone.0157715
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17585, KAKENHI-PROJECT-26800066
[Journal Article] Global stability of a delayed multi-group SIRS epidemic model with nonlinear incidence rates and relapse of infection2015
- Author(s)
  Y. Muroya, T. Kuniya, Y. Enatsu
- Journal Title
  
  Discrete and Continuous Dynamical Systems Series B
  
  Volume: 20 Issue: 9 Pages: 3057-3091
- DOI
  10.3934/dcdsb.2015.20.3057
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17585, KAKENHI-PROJECT-26800066
[Journal Article] Threshold dynamics of an SIR epidemic model with a hybrid of multi-group and patch structures2014
- Author(s)
  [6] T. Kuniya, Y. Muroya and Y. Enatsu
- Journal Title
  
  Math. Bios. Eng.
  
  Volume: 11 Issue: 6 Pages: 1375-1393
- DOI
  10.3934/mbe.2014.11.1375
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24540219, KAKENHI-PROJECT-25887011, KAKENHI-PROJECT-26800066
[Journal Article] Stability of epidemic models with waning immunity2014
- Author(s)
  Yoichi Enatsu
- Journal Title
  
  SUT Journal of Mathematics
  
  Volume: 2 Pages: 405-426
- NAID
  120006397889
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] タイムラグや自由境界をもつ感染症モデル2023
- Author(s)
  江夏　洋一
- Organizer
  日本人口学会第75回大会
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Traveling wave solutions for an epidemic model with free boundary2023
- Author(s)
  Yoichi Enatsu, Emiko Ishiwata, Takeo Ushijima
- Organizer
  The 10th International Congress on Industrial and Applied Mathematics (ICIAM 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] 捕食時の種間協力を考慮した被食者-捕食者モデル2022
- Author(s)
  江夏　洋一
- Organizer
  日本数学会 2022年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Effect of hunting cooperation on a prey-predator model2021
- Author(s)
  江夏　洋一, Malay Banerjee
- Organizer
  2021年度日本数理生物学会年会
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] A prey-predator model with hunting cooperation2020
- Author(s)
  江夏　洋一
- Organizer
  日本応用数理学会 2020年度年会
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] タイムラグをもつ感染症モデルの大域挙動2019
- Author(s)
  江夏洋一
- Organizer
  第29回日本数理生物学会年会（第13回研究奨励賞，受賞講演）
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Dynamical behavior of an SIS epidemic model with delays2019
- Author(s)
  Yoichi Enatsu
- Organizer
  The 1st Hungary-Japan Workshop on Delay Equations and Mathematical Epidemiology
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Existence of semiwave for an SI epidemic model with a free boundary2019
- Author(s)
  Yoichi Enatsu
- Organizer
  The 7th China-India-Japan-Korea International Conference on Mathematical Biology
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Existence of traveling wave for a diffusive SI model with free boundary2019
- Author(s)
  Yoichi Enatsu
- Organizer
  The 6th International Workshop on Biomathematics Modelling and Its Dynamical Analysis
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] Dynamical behavior of a delayed SIS epidemic model2019
- Author(s)
  Yoichi Enatsu
- Organizer
  Equadiff 2019
- Data Source
  KAKENHI-PROJECT-19K14598
[Presentation] 自由境界をもつある感染症モデルについて2018
- Author(s)
  江夏洋一，石渡恵美子，牛島健夫
- Organizer
  日本数学会年会，応用数学分科会
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] A prey-predator model with delays for consumption of predators2018
- Author(s)
  Yoichi Enatsu
- Organizer
  International Conference on Mathematical Modeling for Computational Biosystems
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Dynamics of a prey-predator model with delays for consumption of predators2017
- Author(s)
  Yoichi Enatsu
- Organizer
  The 4th International Workshop on Biomathematics Modelling and Its Dynamical Analysis
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Dynamics of epidemic models with a latent period2017
- Author(s)
  Yoichi Enatsu
- Organizer
  China-India-Japan-Korea Mathematical Biology Colloquium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] On the front motion of a diffusive epidemic model with free boundary2017
- Author(s)
  江夏洋一，石渡恵美子，牛島健夫
- Organizer
  第27回日本数理生物学会年会,
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Mosquito model for Wolbachia infection with hatching delays2017
- Author(s)
  江夏洋一，金森匡俊，石渡恵美子
- Organizer
  第27回日本数理生物学会年会,
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Stability of equilibria for epidemiological models with temporary acquired immunity2016
- Author(s)
  Yoichi Enatsu
- Organizer
  The 11th AIMS Conference on Dynamical Systems, Differential Equations and Application
- Place of Presentation
  Hyatt Regency Grand Cypress, Orlando, Florida, United States of America
- Year and Date
  2016-07-01
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Effect of waning immunity on asymptotic behavior of epidemic models2016
- Author(s)
  Yoichi Enatsu
- Organizer
  2016 CMS Summer Meeting
- Place of Presentation
  University of Alberta, Edmonton, Canada
- Year and Date
  2016-06-24
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Loss of immunity on epidemiological models with infection age2015
- Author(s)
  Yoichi Enatsu
- Organizer
  10th Colloquium on the Qualitative Theory of Differential Equations
- Place of Presentation
  Bolyai Institute, University of Szeged, Szeged, Hungary
- Year and Date
  2015-07-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Dynamics of disease transmission models with latent period2015
- Author(s)
  Yoichi Enatsu
- Organizer
  Innovative Mathematical Modeling for the Analysis of Infectious Disease Data (IMAID2015)
- Place of Presentation
  Research Center for Zoonosis Control, Hokkaido University, Hokkaido, Japan
- Year and Date
  2015-10-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] 再生方程式を用いた感染症モデルの解の漸近挙動とその応用2015
- Author(s)
  江夏洋一
- Organizer
  日本応用数理学会 2015年度年
- Place of Presentation
  金沢大学
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Cyclic structures on epidemic models and its stability in view of renewal equations and delay equations2015
- Author(s)
  Yoichi Enatsu
- Organizer
  The 8th International Congress on Industrial and Applied Mathematics
- Place of Presentation
  China National Convention Center, Beijing, China
- Year and Date
  2015-08-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26800066
[Presentation] Asymptotic behavior of solutions of renewal equations in epidemiology
- Author(s)
  江夏洋一
- Organizer
  第11回数学総合若手研究集会
- Place of Presentation
  北海道大学
- Year and Date
  2015-03-02 – 2015-03-05
- Data Source
  KAKENHI-PROJECT-26800066

1. 室谷義昭

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
2. 國谷紀良

# of Collaborated Projects: 0 results

# of Collaborated Products: 4 results
3. 石渡恵美子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

ENATSU YOICHI 江夏 洋一

Enatsu Yoichi 江夏 洋一

Research Projects

Research Products

Co-Researchers

Global dynamics of delay equations and free boundary problemsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Dynamical behavior of mathematical models and its applications to threshold principlePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Asymptotic behavior of nonlinear equations in mathematical biologyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Hunting cooperation in a prey-predator model with maturation delay2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Traveling wave solution fora diffusive epidemic model with a free boundary2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Impact of non-separable incidence rates on global dynamics of virus model with cell-mediated, humoral immune responses2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Global analysis of a multi-group SIR epidemic model with nonlinear incidence rates and distributed moving delays between patches2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Reconsideration or r/K selection theory using stochastic control theory and nonlinear structured population models2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Global stability of a delayed multi-group SIRS epidemic model with nonlinear incidence rates and relapse of infection2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Threshold dynamics of an SIR epidemic model with a hybrid of multi-group and patch structures2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Stability of epidemic models with waning immunity2014

Author(s)

Journal Title

NAID

Data Source

[Presentation] タイムラグや自由境界をもつ感染症モデル2023

Author(s)

Organizer

Data Source

[Presentation] Traveling wave solutions for an epidemic model with free boundary2023

Author(s)

Organizer

Data Source

[Presentation] 捕食時の種間協力を考慮した被食者-捕食者モデル2022

Author(s)

Organizer

Data Source

[Presentation] Effect of hunting cooperation on a prey-predator model2021

Author(s)

Organizer

Data Source

[Presentation] A prey-predator model with hunting cooperation2020

ENATSU YOICHI 江夏洋一

Enatsu Yoichi 江夏洋一