2016
DOI: 10.1016/j.jmaa.2015.12.058
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Convergence rate estimates of solutions in a higher dimensional chemotaxis system with logistic source

Abstract: Please cite this article in press as: X. He, S. Zheng, Convergence rate estimates of solutions in a higher dimensional chemotaxis system with logistic source, J. Math. Anal. Appl. (2016), http://dx. AbstractWe study the global attractors to the chemotaxis system with logistic source:and τ ∈ {0, 1}. For the parabolic-elliptic case with τ = 0 and N > 3, we obtain that the positive constant equilibrium ( a b , a b ) is a global attractor if a > 0 and b > max{ N −2 N χ, χ √ a 4 }. Under the assumption N = 3, it is… Show more

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Cited by 58 publications
(33 citation statements)
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“…In the higher dimensional case, Winkler [27,29] established existence of global classical solutions under the condition that µ > 0 is sufficiently large. Moreover, asymptotic behavior of the solutions was obtained: n(·, t) → r µ , c(·, t) → r µ in L ∞ (Ω) as t → ∞ ( [7]). Recently, Lankeit [13] obtained global existence of weak solutions to the chemotaxis system with logistic source for all r ∈ R and any µ > 0 and the eventual smoothness of the solutions was derived if r ∈ R is small.…”
Section: Introduction and Resultsmentioning
confidence: 99%
“…In the higher dimensional case, Winkler [27,29] established existence of global classical solutions under the condition that µ > 0 is sufficiently large. Moreover, asymptotic behavior of the solutions was obtained: n(·, t) → r µ , c(·, t) → r µ in L ∞ (Ω) as t → ∞ ( [7]). Recently, Lankeit [13] obtained global existence of weak solutions to the chemotaxis system with logistic source for all r ∈ R and any µ > 0 and the eventual smoothness of the solutions was derived if r ∈ R is small.…”
Section: Introduction and Resultsmentioning
confidence: 99%
“…Yet, it is a big open challenging problem whether or not blow-up occurs in (1.1) for small µ > 0, even though the existence of global weak solutions is available in convex 3-D domains for µ > 0 [16]. Under further conditions on χ, µ or r, convergence of bounded solutions to the constant equilibrium ( r µ , r µ ) as well as its convergence rates are available [6,18,34,39]. It also needs to be mentioned that for certain choices of the parameters, the solutions of (1.1) even may oscillate drastically in time, as numerically illustrated in [8], and that the solutions may undergo transient growth phenomena, as demonstrated in [17,35,36].…”
Section: Introduction and Main Resultsmentioning
confidence: 99%
“…On the other hand, in the chemotaxis system with logistic term which is (1.2) with m = 1 and α = 2 n t = ∆n − χ∇ · (n∇c) + κn − µn 2 , c t = ∆c − c + n, the logistic term κn − µn 2 suppresses blow-up phenomena; in the 2-dimensional setting Osaki et al [15] and Jin-Xiang [8] derived that for all µ > 0 there exist global classical solutions; Winkler [30] showed global existence of classical solutions under some largeness condition for µ > 0; recently, Xiang [37] obtained an explicit condition for µ > 0 to derive global existence of classical solutions; Lankeit [10] established global existence of weak solutions for arbitrary µ > 0; more related works are in [3,32]; Winkler [32] and He-Zheng [3] showed asymptotic behavior of global classical solutions.…”
Section: Introductionmentioning
confidence: 99%