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Global dynamics of delay equations and free boundary problems

Research Project

Project/Area Number 25K07137
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 12040:Applied mathematics and statistics-related
Research InstitutionTokyo University of Science

Principal Investigator

江夏 洋一  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 (90726910)

Project Period (FY) 2025-04-01 – 2030-03-31
Project Status Granted (Fiscal Year 2025)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2029: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2028: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2027: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2026: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2025: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords数理モデル / 安定性
Outline of Research at the Start

感染症流行や生物間の捕食・被食等を記述する数理モデルにおいては,解の時間大域的な挙動を明らかにしたい.感染潜伏期間や捕食者の maturation delay を表すタイムラグや自由境界等を含めたモデルにおいて,平衡点や周期解の安定性と分岐を解析することで,解の時間長期的なダイナミクスを調べる.自由境界問題においては,進行波(semi wave)の存在性も課題としている.

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Published: 2025-04-17   Modified: 2025-06-20  

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