Calculus of Variations and Geometric Measure Theory
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M. Squassina - T. Watanabe

Uniqueness of limit flow for a class of quasi-linear parabolic equations

created by squassina on 09 Feb 2016



Inserted: 9 feb 2016
Last Updated: 9 feb 2016

Pages: 37
Year: 2016


We investigate the issue of uniqueness of the limit flow for a relevant class of quasi-linear parabolic equations defined on the whole space. More precisely, we shall investigate conditions which guarantee that the global solutions decay at infinity uniformly in time and their entire trajectory approaches a single steady state as time goes to infinity. Finally, we obtain a characterization of solutions which blow-up, vanish or converge to a stationary state for initial data of the form $\lambda \varphi_0$ while $\lambda>0$ crosses a bifurcation value $\lambda_0$.

Keywords: Quasilinear parabolic equation, asymptotic behavior, $\omega$-limit set, blow-up


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