On Keller Theorem for Anisotropic Media
Leonid G. Fel
Abstract
The Keller theorem in the problem of effective conductivity in anisotropic two-dimensional (2D) many-component composites makes it possible to establish a simple inequality σ ise(σ-1i)· σ ise(σk)> 1 for the isotropic part σ ise(σk) of the 2-nd rank symmetric tensor σi,je of effective conductivity.
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