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Propagation dynamics of cline and gap states for spatially-periodic Lotka–Volterra competition systems in shifting media

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成果类型:
期刊论文
作者:
Wang, Hongyong;Ou, Chunhua
通讯作者:
Ou, CH
作者机构:
[Wang, Hongyong] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.
[Ou, Chunhua; Ou, CH] Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, Canada.
通讯机构:
[Ou, CH ] M
Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, Canada.
语种:
英文
关键词:
Lotka-Volterra competition system;gap formation;forced pulsating waves;spreading dynamics;shifting media
期刊:
NONLINEARITY
ISSN:
0951-7715
年:
2025
卷:
38
期:
3
页码:
035014
基金类别:
Scientific Research Fund of Hunan Provincial Education Department [20B512, 2021JJ30019]; Natural Science Foundation of Hunan Province grant [2021JJ30019, 23A0342]; Scientific Research Fund of Hunan Provincial Education Department grant [23A0342, RGPIN-2022-03842]; Canada NSERC discovery grant [RGPIN-2022-03842]; Natural Science Foundation of Hunan Province; Canada NSERC discovery
机构署名:
本校为第一机构
院系归属:
数理学院
摘要:
We study the propagation dynamics of a Lotka-Volterra competition system in which one growth rate behaves like a monotonically decreasing wave profile that shifts with a given speed and is also periodic in the first spatial variable, while the other growth rate behaves similarly, except that its profile is monotonically increasing with respect to the shifting variable. Furthermore, both growth functions are assumed to be sign-changed, which implies that the environments in which the species live switch spatially from 'good' regions (suitable for survival) to 'bad' regions (not suitable for sur...

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