In this paper, we study the relationship between Riesz measure μ\documentclass[12pt]{minimal}
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\begin{document}$$\mu $$\end{document} and G(·)\documentclass[12pt]{minimal}
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\begin{document}$$G(\cdot )$$\end{document}-superharmonic functions u, which satisfies: -divA(x,Du)=μ,\documentclass[12pt]{minimal}
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\begin{document}$$\begin{aligned} -\operatorname {div} {\mathcal {A}}(x,D u)=\mu , \end{aligned}$$\end{document}in the distribution sense such that A(x,ξ)·ξ≈G(x,|ξ|)\documentclass[12pt]{minimal}
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\begin{document}$${\mathcal {A}}(x,\xi )\cdot \xi \approx G(x,|\xi |)$$\end{document} and G(·)\documentclass[12pt]{minimal}
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\begin{document}$$G(\cdot )$$\end{document} is Φ\documentclass[12pt]{minimal}
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\begin{document}$$\Phi $$\end{document}-function.