Electron. J. Diff. Equ., Vol. 2010(2010), No. 113, pp. 1-18.

Existence of positive bounded solutions for some nonlinear polyharmonic elliptic systems

Sabrine Gontara, Zagharide Zine El Abidine

Abstract:
We prove existence results for positive bounded continuous solutions of a nonlinear polyharmonic system by using a potential theory approach and properties of a large functional class $K_{m,n}$ called Kato class.

Submitted June 6, 2010. Published August 16, 2010.
Math Subject Classifications: 34B27, 35J40.
Key Words: Green function; Kato class; positive bounded solution; Shauder fixed point theorem; polyharmonic elliptic system.

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Sabrine Gontara
Département de mathématiques
Faculte des sciences de Tunis, campus universitaire
2092 Tunis, Tunisia
email: sabrine-28@hotmail.fr
Zagharide Zine El Abidine
Département de mathématiques
Faculte des sciences de Tunis, campus universitaire
2092 Tunis, Tunisia
email: Zagharide.Zinelabidine@ipeib.rnu.tn

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