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- W1792177787 abstract "In this paper, we consider the extinction and asymptotic behavior of the solutions for the following ω-heat equation on graphs with source and interior absorption:ut(x,t)=Δωu(x,t)+λuq(x,t)−up(x,t), where Δω is called the discrete weighted Laplacian operator and λ,p,q>0. We first prove the local existence of the solutions and show that all solutions exist globally when q≤max{p,1}. Then, we obtain the following extinction and asymptotic properties of the solutions: when q>1 and the initial datum are small enough, the solution vanishes in infinite time; when q=1, p<1 and λ is appropriately small, the solution becomes extinct in finite time; when q=1, p≥1 and λ is appropriately small, the solution vanishes in infinite time; when q=1 and λ is appropriately large, the solution is non-extinction; when q<1, q=p is the critical extinction exponent. Moreover, for the case that p>q=1 and λ is appropriately large, we show that the non-extinction solution is asymptotically stable and limt→∞u(x,t)=u+(x), where u+(x) is the unique positive equilibrium solution. Finally, we demonstrate our results through some numerical examples." @default.
- W1792177787 created "2016-06-24" @default.
- W1792177787 creator A5010302121 @default.
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- W1792177787 date "2016-03-01" @default.
- W1792177787 modified "2023-10-18" @default.
- W1792177787 title "Extinction and asymptotic behavior of solutions for the ω-heat equation on graphs with source and interior absorption" @default.
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- W1792177787 doi "https://doi.org/10.1016/j.jmaa.2015.10.024" @default.
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