Linear elliptic equations which are degenerate elliptic on a closed interior surface Γ which divides in two separate parts the original domain are considered. Existence and uniqueness of a viscosity solution in the whole domain and in every of the subdomains is proved under some conditions on the geometry of Γ.
机构:
Wuhan Univ, Sch Math & Stat, Wuhan 430072, Peoples R ChinaWuhan Univ, Sch Math & Stat, Wuhan 430072, Peoples R China
Chen, Hua
Wei, Yawei
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机构:
Nankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
Nankai Univ, LPMC, Tianjin 300071, Peoples R ChinaWuhan Univ, Sch Math & Stat, Wuhan 430072, Peoples R China