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Choi, Kyudong
Fluids Analysis Lab
Research Interests
  • fluid equations, mathematical biology, conservation laws,

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Stability of planar traveling waves in a Keller-Segel equation on an infinite strip domain

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Title
Stability of planar traveling waves in a Keller-Segel equation on an infinite strip domain
Author
Chae, MyeongjuChoi, KyudongKang, KyungkeunLee, Jihoon
Issue Date
2018-07
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Citation
JOURNAL OF DIFFERENTIAL EQUATIONS, v.265, no.1, pp.237 - 279
Abstract
We consider a simplified model of tumor angiogenesis, described by a Keller-Segel equation on the two dimensional domain (x, y) is an element of R x S-lambda where S-lambda is the circle of perimeter lambda. It is known that the system allows planar traveling wave solutions of an invading type. In case that lambda is sufficiently small, we establish the nonlinear stability of traveling wave solutions in the absence of chemical diffusion if the initial perturbation is sufficiently small in some weighted Sobolev space. When chemical diffusion is present, it can be shown that the system is linearly stable. Lastly, we prove that any solution with our front condition eventually becomes planar under certain regularity conditions.
URI
https://scholarworks.unist.ac.kr/handle/201301/24110
URL
https://www.sciencedirect.com/science/article/pii/S0022039618301232?via%3Dihub
DOI
10.1016/j.jde.2018.02.034
ISSN
0022-0396
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MTH_Journal Papers
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