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Asymptotic profile of quenching in a system of heat equations coupled at the boundary. (English) Zbl 1273.35055

Authors’ abstract: We study finite time quenching for the radial solutions of a system of heat equations coupled at the boundary conditions. This system exhibits simultaneous and non-simultaneous quenching. In particular, three kinds of simultaneous quenching profiles are obtained for different nonlinear exponent regions and appropriate initial data.

MSC:

35B40 Asymptotic behavior of solutions to PDEs
35K51 Initial-boundary value problems for second-order parabolic systems

References:

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