Abdelrachid El Amrouss, Fouzia Moradi, Mimoun Moussaoui
Abstract:
In this article, we study the following problem with Navier boundary
conditions
Where
is a bounded domain in
with smooth
boundary
,
,
,
is the
-biharmonic operator,
,
is a continuous function
on
with
and
is a Caratheodory function.
Using the Mountain Pass Theorem, we establish the existence of at least
one solution of this problem. Especially, the existence of infinite
many solutions is obtained.
Submitted October 5, 2009. Published November 27, 2009.
Math Subject Classifications: 35G30, 35K61, 46E35.
Key Words: Fourth-order PDEs; variable exponent;
Palais Smale condition; mountain pass theorem;
fountain theorem
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Abdelrachid El Amrouss University Mohamed I, Faculty of sciences Department of Mathematics, Oujda, Morocco email: elamrouss@fso.ump.ma, elamrouss@hotmail.com |
Fouzia Moradi University Mohamed I, Faculty of sciences Department of Mathematics, Oujda, Morocco email: f.moradi@hotmail.com |
Mimoun Moussaoui University Mohamed I, Faculty of sciences Department of Mathematics, Oujda, Morocco email: moussaoui@est.ump.ma |
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