Higher-dimensional convergence conjecture for the transformed solutions

Let cOmegacOmega be the domain and comegaΩcomega\subset\Omega the region appearing in the problem, and let unu_n be the solution of the problem denoted by (pbn), given by Theorem 1 with M(x)IM(x)\equiv I. Define

vn=unn+1n+1.v_n=\frac{u_n^{n+1}}{n+1}.

Higher-dimensional convergence conjecture. The sequence cvncv_n is bounded in W01,2(Ω)L(Ω)W_0^{1,2}(\Omega)\cap L^\infty(\Omega) and therefore converges, up to subsequences, to a bounded nonnegative function vv. Moreover, vv is a weak solution of

{Δv+v2v=fin ω,v=0on ω,\begin{cases} -\Delta v+\dfrac{|\nabla v|^2}{v}=f & \text{in $\omega$,} \\ v=0 & \text{on $\partial\omega$,} \end{cases}

and v0v\equiv0 in cOmegaωcOmega\setminus\omega. This conjecture concerns the higher-dimensional extension of the limiting result for the approximating elliptic problems; the source states it as an open problem and provides no resolution.

Sources & referencesView supporting material

Primary source

Riccardo Durastanti, “Asymptotic behavior and existence of solutions for singular elliptic equations”, arXiv:1903.01404 (2019).

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