Sign-changing solutions for some nonlinear problems with strong resonance

Aixia Qian
2011 Boundary Value Problems  
By means of critical point and index theories, we obtain the existence and multiplicity of sign-changing solutions for some elliptic problems with strong resonance at infinity, under weaker conditions. 2000 Mathematics Subject Classification: 35J65; 58E05.
doi:10.1186/1687-2770-2011-18 fatcat:p7a6t2ce55gs3o7pmdotlqul6q