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The Viscosity Method for the Homogenization of Soft Inclusions
Authors:Ki-ahm?Lee,Minha?Yoo  author-information"  >  author-information__contact u-icon-before"  >  mailto:minha@snu.ac.kr"   title="  minha@snu.ac.kr"   itemprop="  email"   data-track="  click"   data-track-action="  Email author"   data-track-label="  "  >Email author
Affiliation:1.Department of Mathematical Science,Seoul National University,Seoul,Korea;2.Korea Institute for Advanced Study,Seoul,Korea
Abstract:In this paper, we consider periodic soft inclusions T ε with periodicity ε, where the solution, u ε , satisfies semi-linear elliptic equations of non-divergence in ({Omega_{epsilon}=Omegasetminus overline{T}_epsilon}) with Neumann data on ({partial T^{mathfrak a}}). The difficulty lies in the non-divergence structure of the operator where the standard energy method, which is based on the divergence theorem, cannot be applied. The main object is to develop a viscosity method to find the homogenized equation satisfied by the limit of u ε , referred to as u, as ε approaches to zero. We introduce the concept of a compatibility condition between the equation and the Neumann condition on the boundary for the existence of uniformly bounded periodic first correctors. The concept of a second corrector is then developed to show that the limit, u, is the viscosity solution of a homogenized equation.
Keywords:
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