Abstract
In this article, we deal with the initial boundary value problem for
 a viscoelastic system related to the quasilinear parabolic equation
 with nonlinear boundary source term on a manifold $\mathbb{M}$ with
 corner singularities. We prove that, under certain conditions on
 relaxation function $g$, any solution $u$ in the corner-Sobolev
 space
 $\mathcal{H}^{1,(\frac{N-1}{2},\frac{N}{2})}_{\partial^{0}\mathbb{M}}(\mathbb{M})$
 blows up in finite time. The estimates of the life-span of solutions
 are also given.
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