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How strong a logistic damping can prevent blow-up for the minimal Keller–Segel chemotaxis system?
- Source :
- Journal of Mathematical Analysis and Applications. 459:1172-1200
- Publication Year :
- 2018
- Publisher :
- Elsevier BV, 2018.
-
Abstract
- In this paper, we study the minimal Keller-Segel model with a logistic source and obtain quantitative and qualitative descriptions of the competition between logistic damping and other ingredient, especially, chemotactic aggregation to guarantee boundedness and convergence. More specifically, we establish how precisely strong a logistic source can prevent blow-up, and then we obtain an explicit relationship between logistic damping and other ingredient, especially, chemotactic aggregation so that convergences are ensured and their respective convergence rates are explicitly calculated out. Known results in the literature are completed and refined. Furthermore, our findings provide clues on how to produce blowup solutions for KS chemotaxis models with logistic sources.<br />Comment: 34 pages, a second revised version; detected typos were amended
- Subjects :
- Mathematical optimization
Applied Mathematics
010102 general mathematics
Chemotaxis
01 natural sciences
Quantitative Biology::Cell Behavior
010101 applied mathematics
Competition (economics)
Mathematics - Analysis of PDEs
Convergence (routing)
FOS: Mathematics
0101 mathematics
Primary: 35K59, 35K51, 35K57, 92C17, Secondary: 35B44, 35A01
Analysis
Analysis of PDEs (math.AP)
Mathematics
Subjects
Details
- ISSN :
- 0022247X
- Volume :
- 459
- Database :
- OpenAIRE
- Journal :
- Journal of Mathematical Analysis and Applications
- Accession number :
- edsair.doi.dedup.....58f6e3d567907903a24fc27aa15d0407