Electronic Journal of Differential Equations,
Vol. 2010(2010), No. 32, pp. 1-12.

Title: Singular elliptic equations involving a concave term and
       critical Caffarelli-Kohn-Nirenberg exponent with 
       sign-changing weight functions
       
Authors: Mohammed Bouchekif (Univ. Aboubekr Belkaid, Tlemcen, Algiria)
         Atika Matallah (Univ. Aboubekr Belkaid, Tlemcen, Algiria)

Abstract: 
 In this article we establish the existence of at least two distinct
 solutions to singular elliptic equations involving a concave term
 and critical Caffarelli-Kohn-Nirenberg exponent with sign-changing
 weight functions.
 
Submitted September 28, 2009. Published March 03, 2010.
Math Subject Classifications: 35A15, 35B25, 35B33, 35J60.
Key Words: Variational methods;  critical Caffarelli-Kohn-Nirenberg exponent;
           concave term; singular and sign-changing weights;
	   Palais-Smale condition.