Perturbation of Symmetry and Multiplicity of
Solutions For Strongly Indefinite Elliptical Systems . . . . . . . . . . . . . . . . . 1
Cristina Tarsi

Comparison and Existence Results for Classes of
Nonlinear Elliptic Equations with General Growth in the Gradient . . . . . . . . . . . 31
Vincenzo Ferone, Basilio Messano

On the Fixed Homogeneous Circle Problem. . . . . . . . . . . . . . . . . . . . . . . . 47
C. Azevedo, P. Ontaneda, H. E. Cabral

Existence and Concentration of Positive Solutions
For Coupled Nonlinear Schrödinger Systems in RN. . . . . . . . . . . . . . . . . . . . 77
Youyan Wan

Topological Translations and Nonlinear Resonance . . . . . . . . . . . . . . . . . . . 97
Walter Dambrosio, Rafael Ortega

Existence of Nonnegative Solutions For a Class of
p-Laplacian Equations in RN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Shuang Dai, Jianfu Yang

Maslov-Type Index Theory For Symplectic Paths
With Lagrangian Boundary Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . 131
Chun-gen Liu




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