In this paper we study the positivity of the determinant of the local electric field in a conducting composite. We know by [1] that the positivity holds true in two dimensions for any periodic structure. Using a different approach from [11] we prove that is also the case for a laminate microstructure in any dimension. However, and this is the main result of the paper, we provide an example of a two-phase three-dimensional periodic composite for which the determinant changes sign.

Change of sign of the corrector's determinant for homogenization in three-dimensional conductivity / Marc, Briane; Graeme W., Milton; Nesi, Vincenzo. - In: ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS. - ISSN 0003-9527. - STAMPA. - 173:1(2004), pp. 133-150. [10.1007/s00205-004-0315-8]

Change of sign of the corrector's determinant for homogenization in three-dimensional conductivity

NESI, Vincenzo
2004

Abstract

In this paper we study the positivity of the determinant of the local electric field in a conducting composite. We know by [1] that the positivity holds true in two dimensions for any periodic structure. Using a different approach from [11] we prove that is also the case for a laminate microstructure in any dimension. However, and this is the main result of the paper, we provide an example of a two-phase three-dimensional periodic composite for which the determinant changes sign.
2004
01 Pubblicazione su rivista::01a Articolo in rivista
Change of sign of the corrector's determinant for homogenization in three-dimensional conductivity / Marc, Briane; Graeme W., Milton; Nesi, Vincenzo. - In: ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS. - ISSN 0003-9527. - STAMPA. - 173:1(2004), pp. 133-150. [10.1007/s00205-004-0315-8]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/70667
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