On Some Transmission Problems Set in a Biological Cell, Analysis and Resolution
Résumé
Some transmission problems are set in bodies with a crown of small thickness ε>0. For instance, those concerning the conductivity in the biological cell. By a natural change of variables, we transform them in transmission problems set in two cylindrical bodies ]−∞,0[×]−π,π[ and ]0,δ[×]−π,π[ (where δ=ln(1+ε)) and then, in some general elliptic abstract differential equations (Pδ)δ>0. The goal of this work is to give a complete study of these problems(Pδ)δ>0 for every δ>0. Existence, uniqueness and maximal regularity results are obtained for the classical solutions essentially by using the semigroups theory.
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