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The existence of solutions to a one-dimensional problem arising in magneto- viscoelasticity is here considered. Specifically, a non-linear system of integro- dierential equations is analysed; it is obtained coupling an integro-dierential equation modelling the viscoelastic behaviour, in which the kernel represents the relaxation function, with the non-linear partial dierential equations modelling the presence of a magnetic field. The case under investigation generalizes a previous study since the relaxation function is allowed to be unbounded at the origin, provided it belongs to L1; the magnetic model equation adopted, as in the previous results (Carillo et al., 2011, 2012; Chipot et al. 2008, 2009) is the penalized Ginzburg–Landau magnetic evolution equation

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