Research output: Contribution to journalEditorial


Partial differential equations and systems with rapidly oscillating coefficients are used to model various physical phenomena in inhomogeneous or heterogeneous media, such as composite and perforated materials. Let ε > 0 be a small parameter, representing the inhomogeneity scale – the scale of the microstructure of an inhomogeneous medium. The local characteristics of the medium are described by functions of the form A(x/ε), which vary rapidly with respect to the space variables. Since ε is much smaller than the linear size of the domain where the physical process takes place, solving the corresponding boundary value problems for the partial differential equations directly by numerical methods may be costly.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalOperator Theory: Advances and Applications
StatePublished - 2018

ASJC Scopus subject areas

  • Analysis


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