Hamaya Yoshihiro 濱谷義弘

… Alternative Names

HAMAYA Yoshihiro 濱谷義弘

浜谷義弘ハマヤヨシヒロ

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Researcher Number	40228549
Other IDs
Affiliation (Current)	2025: 皇學館大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help	2023: 岡山理科大学, 研究・社会連携センター, 教授 2021 – 2022: 岡山理科大学, 基盤教育センター, 教授 2014 – 2016: 岡山理科大学, 総合情報学部, 教授 2004 – 2012: 岡山理科大学, 総合情報学部, 教授 2001 – 2003: 岡山理科大学, 総合情報学部, 助教授 1997 – 2000: 岡山理科大学, 総合情報学部, 講師 1996: 岡山理科大学, 理学部, 講師
Review Section/Research Field	Principal Investigator Basic Section 12020:Mathematical analysis-related / Mathematical analysis Except Principal Investigator Basic analysis / Basic analysis / General mathematics (including Probability theory/Statistical mathematics) / 解析学 / Fundamental theory of informatics / General mathematics (including Probability theory/Statistical mathematics)
Keywords	Principal Investigator テストステロン分泌の時間遅れを持つ制御モデル / 機能性EDモデル / 関数微分方程式 / 有界解の漸近挙動 / 関数差分方程式 / COVID-19 / 大型行列の理論と行列の数値計算 / COVID-19 後遺症を持つED制御モデル / 時間遅れを持つ拡散反応型モデルの漸近安定性 / 概周期解族 … More / 拡散型Boom方程式 / COVID-19 のSEIRモデル / COVID‐19のSIRモデル / 概周期族解 / ワニの生存戦略離散モデル / 体内感染症離散モデル / COVID-19のSEIR感染症モデル / COVID-19のSIR感染症モデル / GPU / 前処理付反復法 / 微小放射能反応項を持つ時間遅れED制御モデル / Favardタイプの存在定理（アメリカ） / 概周期解と概周期族解（ポーランド） / 前処理付き反復法 / 数値実験の可視化 / ED制御モデル / 時間遅れを持つ制御モデル / 漸近安定性定理 / 概周期解 / 放射能汚染モデル / Liapunovp汎関数 / 解の安定性の判定条件 / テストステロンモデル / 概周期族の解 / 擬概周期解 / 時間の遅れを持つ関数差分方程式 … More Except Principal Investigator 安定性 / スペクトル / 漸近挙動 / 関数微分方程式 / 概周期解 / 相空間 / 定数変化法の公式 / Phase space / Functional differential equations / 関数差分方程式 / 解作用素 / Stability property / Variation-of-constants formula / Admissibility / 準プロセス / 許容性 / Volterra systems / Asymptotic behavior / Almost periodic solutions / Functional difference equations / ボルテラ系 / 周期解 / プロセス / 線形化原理 / 反復法 / 積分微分方程式 / 特性方程式 / ボルテラ差分方程式 / 差分方程式 / Variation-of-constans formula / Solution operators / Stabilities / Functional Difference Equations / Functional Differential Equations / NCP function / Kryllov su space method / the CG method / finite difference / the iterative method / preconditioning / H-matrix / accuracy / 固有値問題 / 精度保証 / 最適値問題 / 一般化優対角行列 / H-行列 / Quasi-process / Solution operator / Fading memory space / 遅れ時間 / 極限方程式 / 関数微分方程 / 記憶が薄れる空間 / Asymptotic equivalence / 時間遅れ / 定性理論 / 漸近同値性 / Periodic solutions / Stability properties / Processes / 有界解 / ボルテラ方程式 / 中心方程式 / 中心多様体 / 解半群 / 積分方程式 / Krylov部分空間法 / ハイブリット法 / 前処理 / 行列方程式 / クリロフ部分空間法 / 定常反復法 / 前処理法 / 多キュビット制御 / Tofforiゲート / Deutsch-Jozsaアルゴリズム / 位相的エンタングルメント / 量子計算 / Deutsch-Jozsa アルゴリズム / グローバーアルゴリズム / 位相的エンタングルメント / 量子エンタングルメント / 初期化アルゴリズム / 量子計算理論 / スポクトル / 正の方程式 / 関数方程式 / 群不変性 / 決定性 / 安定分布 / 確率過程 Less

The existence of Ap_r almost periodic solutions to difference equations and a study of functional ED models due to COVID-19 sequelasPrincipal Investigator
- Principal Investigator
  
  Hamaya Yoshihiro
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12020:Mathematical analysis-related
- Research Institution
  Okayama University of Science
Study on the existence of pseudo almost periodic solutions of difference equations and due to the numerical analytical methods of functional ED (Erectile dysfunction) model by the radiationPrincipal Investigator
- Principal Investigator
  
  Hamaya Yoshihiro
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical analysis
- Research Institution
  Okayama University of Science
Study of the solution semigroup for integral equations and related topics
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
A mathematical and informatics research of combinatorial optimization algorithms in the quantum computing and the quantum entanglement
- Principal Investigator
  
  SAWAE Ryuichi
- Project Period (FY)
  2009 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Okayama University of Science
General research which aims at the hybrid iteration method for a matrix equation including a non-diagonal dominant matrix
- Principal Investigator
  
  NIKI Hiroshi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Okayama University of Science
Study of stability properties for positive linear equations with delay and related topics
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
Formal adjoint equation for equations with time delay and its applications
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
The synthetic research for the basic iterative method for the non-diagonal dominant matrix.
- Principal Investigator
  
  NIKI Hiroshi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Okayama University of Science
A representation formula for solutions of equations with delay in the phase space and its applications
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
Spectral analysis of an operator associated with equations with time delay
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
Research of equations with time delay
- Principal Investigator
  
  MURAKAMI Satoru
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  解析学
- Research Institution
  Okayama University of Science
多径数安定過程の理論とその応用
- Principal Investigator
  
  TAKENAKA Shigeo
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Okayama University of Science

All 2023 2022 2021 2016 2015 2011 2006 2005 2004

All Journal Article Presentation

[Journal Article] Asymptotic Behavior of Delayed SIR Epidemic Models of COVID-19 with Diffusion2023
- Author(s)
  Saito Kaori、Kohno Toshiyuki、Hamaya Yoshihiro
- Journal Title
  
  Journal of Applied Mathematics and Computation
  
  Volume: 7 Issue: 1 Pages: 112-127
- DOI
  10.26855/jamc.2023.03.012
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] On the Asymptotic Stability of Discrete Crocodilians Model2023
- Author(s)
  Saito Kaori、Hamaya Yoshihiro
- Journal Title
  
  Advances in Pure Mathematics
  
  Volume: 13 Issue: 05 Pages: 211-225
- DOI
  10.4236/apm.2023.135015
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] On the global stability of an SIR epidemic discrete model2023
- Author(s)
  K. Saito and Y. Hamaya
- Journal Title
  
  International Journal of Mathematical Analysis
  
  Volume: 17 Issue: 3 Pages: 119-132
- DOI
  10.12988/ijma.2023.912517
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Global attractivity of a delayed SEIR epidemic model of COVID -19 with diffusion2023
- Author(s)
  Y. Hamaya and K. Saito
- Journal Title
  
  Journal of Mathematical Sciences
  
  Volume: 271 Issue: 3 Pages: 378-399
- DOI
  10.1007/s10958-023-06527-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Global Stability Properties of Virus Dynamics Discrete Models2023
- Author(s)
  Saito Kaori、Hamaya Yoshihiro
- Journal Title
  
  ー
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Global Attractivity of a Delayed SEIR Epidemic Model of COVID-19 with Diffusion2023
- Author(s)
  Hamaya Yoshihiro、Saito Kaori
- Journal Title
  
  Journal of Mathematical Science
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Global stability properties of virus dynamics discrete models2023
- Author(s)
  K. Saito and Y. Hamaya
- Journal Title
  
  Journal of Mathematics and Statistical Science
  
  Volume: 9, Issue 9 Pages: 26-39
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Asymptotic behavior of delayed SIR epidemic models of COVID-19 with diffusion2022
- Author(s)
  K. Saito, T. Kohno and Y. Hamaya
- Journal Title
  
  Journal of Applied Mathematics and Computation, to appear
  
  Volume: To appear
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Asymptotic behavior of delayed SIR epidemic model of COVID-19 with diffusion2021
- Author(s)
  Y. Hamaya and K. Saito
- Journal Title
  
  The Bulletin of the Information Processing Center
  
  Volume: Vol. 1, No.41-42 Pages: 29-40
- Open Access
- Data Source
  KAKENHI-PROJECT-21K03318
[Journal Article] Global asymptotic stability of a delayed SIR epidemic model with diffusion2016
- Author(s)
  Yoshihiro Hamaya and Kaori Saito
- Journal Title
  
  Libertas Math.
  
  Volume: 36 Pages: 53-72
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26400181
[Journal Article] Global stability properties of virus dynamics of a diffusive model2016
- Author(s)
  Kaori Saito, Toshiyuki Kohno and Yoshihiro Hamaya
- Journal Title
  
  International Journal of Mathematical Analysis
  
  Volume: 10 Pages: 1109-1127
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26400181
[Journal Article] Almost periodic solutions of nonlinear Volterra difference equations with unbounded delay2015
- Author(s)
  Y. Hamaya T. Itokazu and K. Saito
- Journal Title
  
  Axioms
  
  Volume: 4 Pages: 345-364
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26400181
[Journal Article] Global asymptotically stable of a non‐autonomous discrete Ricker competition system2015
- Author(s)
  Y. Hamaya
- Journal Title
  
  Advances and Applications in Mathematical Sciences
  
  Volume: 14.1 Pages: 1-12
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26400181
[Journal Article] Stability properties and almost periodic solutions of abstract functional differential equations with infinite delay2011
- Author(s)
  Y.Hamaya
- Journal Title
  
  Libertys Mathematica
  
  Volume: XXXI Pages: 93-102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540156
[Journal Article] Existence of pseudo almost periodic solutions of linear Volterra integrodifferential equations2011
- Author(s)
  Y.Hamanaka, Y.Hamaya
- Journal Title
  
  Analele Stiintifice ale Universitatii 'Al.I.Cuza' Mathematica, Tomul
  
  Volume: LVII Pages: 87-102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540156
[Journal Article] Stability properties and almost periodic solutions of abstract functional differential equations with infinite delay2011
- Author(s)
  Y. Hamaya
- Journal Title
  
  Libertys Mathematica
  
  Volume: Vol.16 Pages: 93-102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540211
[Journal Article] On global asymptotic stability of nonlinear stochastic difference equation with delays2006
- Author(s)
  Yoshihiro Hamaya
- Journal Title
  
  International Journal of Difference Equation 1・1
  
  Pages: 101-118
- Data Source
  KAKENHI-PROJECT-16540177
[Journal Article] On the remark to Elaydi's paper2005
- Author(s)
  Y.Hamaya, Y.Shinohara
- Journal Title
  
  Far East J.Dynamical Systems 7
  
  Pages: 161-173
- Data Source
  KAKENHI-PROJECT-15540144
[Journal Article] Bifurcation of almost periodic solutions in difference equations.2004
- Author(s)
  H.Hamaya
- Journal Title
  
  J.of Difference Equations and Applications vol.10
  
  Pages: 257-297
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15540144
[Journal Article] Bifurcation of almost periodic solutions in difference equations2004
- Author(s)
  Y.Hamaya
- Journal Title
  
  Journal of Difference Equations and Applications 10
  
  Pages: 257-297
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15540144
[Presentation] Boundedness and global attractivity to three-species cyclic prey-predator of Volterra type difference equations2023
- Author(s)
  Y. Hamaya
- Organizer
  International Conference on Difference Equations and Applications 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03318
[Presentation] Boundedness and global attractivity to three-species cyclic prey-predator of Volterra type difference equations2022
- Author(s)
  Y. Hamaya
- Organizer
  27th International Conference on Difference Equations and Applications (ICDEA 2022, Paris)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03318
[Presentation] Survey2016
- Author(s)
  Yoshihiro Hamaya
- Organizer
  The second Satellite Conference of the 22th International Conference on Difference Equations and Applications
- Place of Presentation
  Okayama
- Data Source
  KAKENHI-PROJECT-26400181
[Presentation] Existence of almost periodic solutions of a feedback delay model for the control of testosterone secretions2015
- Author(s)
  Y.Hamaya
- Organizer
  ICDEA2015
- Place of Presentation
  ポーランドBialystok
- Year and Date
  2015-07-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26400181

1. MURAKAMI Satoru (40123963)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
2. TAKENAKA Shigeo (80022680)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
3. KAMIYA Shigeyasu (80122381)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. WATANABE Hisao (40037677)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. KOHNO Toshiyuki (90309534)

# of Collaborated Projects: 4 results

# of Collaborated Products: 3 results
6. YOSHIDA Kenich (60028264)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. NAGABUCHI Yutaka (60252607)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. TANAKA Satoshi (90331959)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
9. SHIMENO Nobukazu (60254140)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
10. NAKAMURA Tadashi (20069074)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
11. NIKI Hiroshi (30068879)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. AWAMI Hideon (70098581)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. 榊原道夫 (70215614)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. SAWAE Ryuichi (20226062)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. MORI Yoshiyuki (00388919)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. USAMI Hiroyuki (90192509)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. KAJIMOTO Hiroshi (50194741)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. KAWAMURA Minaru (10236961)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. NAGAMACHI Shigeaki (00030784)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. OHMIYA Mayumi (50035698)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. TAKARABE Kenichi (50122388)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. SAKATA Toshio (20117352)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. ITO Toshiaki (60201927)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. OJIMA Izumi (60150322)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. HARUKI Shigeru (60140480)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. NIKI Masato (30408033)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. KURIBAYASHI Katsuhiko (40249751)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. CHEN Xiaojun (70304251)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. ABE Kuniyoshi (10311086)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 古城克也 (10280471)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 岡本直孝 (00068909)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 齋藤香織 (10749922)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
33. SAITO Kaori

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
34. NAGAI Atsushi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. JO Yoshimasa

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. HIRATSUKA Junichi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. YODENN Eisaku

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hamaya Yoshihiro 濱谷 義弘

HAMAYA Yoshihiro 濱谷 義弘

浜谷 義弘 ハマヤ ヨシヒロ

Research Projects

Research Products

Co-Researchers

The existence of Ap_r almost periodic solutions to difference equations and a study of functional ED models due to COVID-19 sequelasPrincipal Investigator

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Study on the existence of pseudo almost periodic solutions of difference equations and due to the numerical analytical methods of functional ED (Erectile dysfunction) model by the radiationPrincipal Investigator

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[Journal Article] Asymptotic Behavior of Delayed SIR Epidemic Models of COVID-19 with Diffusion2023

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[Journal Article] On the Asymptotic Stability of Discrete Crocodilians Model2023

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[Journal Article] On the global stability of an SIR epidemic discrete model2023

Author(s)

Hamaya Yoshihiro 濱谷義弘

HAMAYA Yoshihiro 濱谷義弘

浜谷義弘ハマヤヨシヒロ