Publications

• D.G. Costa and D. Arcoya, Nontrivial Solutions for a Resonant Problem, Diff. Int. Eqs. 8 (1995), 151-159.
• D.G. Costa and E.A. Silva, On a Class of Resonant Problems at Higher Eigenvalues, Diff. Int. Eqs. 8 (1995), 663-671.
• D.G. Costa and E.A. Silva, A Note on Problems involving Critical Nonlinearities, Diff. Int. Eqs. 8 (1995), 673-679.
• D.G. Costa amd C.A. Magalhaes, Existence Results for Perturbations of the p-Laplacian, Nonl. Anal.- TMA 24 (1995), 409-418.
• D.G. Costa and C.A. Magalhaes, A Variational Approach to Noncooperative Elliptic Systems, Nonl. Anal. - TMA 25 (1995), 699-715.
• D.G. Costa and O.H. Miyagaki, Nontrivial Solutions for Perturbations of the p-Laplacian on Unbounded Domains, J. Math. Anal. Appl. 193 (1995), 737-755.
• P.J. Schulte and D.G. Costa, A Mathematical Description of Water Flow through Plant Tissues, J. Theor. Biol. 180 (1996), 61-70.
• D.G. Costa and C.A. Magalhaes, A Unified Approach to a Class of Strongly Indefinite Functionals, J. Diff. Eqs. 125 (1996), 521-547.
• D.G. Costa and M. Cuesta, Existence Results for Resonant Perturbations of the Fucik Spectrum, Top. Meth. in Nonl. Anal. 8 (1996), 295-314.
• D.G. Costa, Multiple Solutions for a Class of Strongly Indefinite Problems, V Workshop on Partial Differential Equations, IMPA, Rio/Brazil, 1997, to appear in Matematica Contemporanea.
• Z. Ding, D.G. Costa and G. Chen, A High-Linking Algorithm for Sign-Changing Solutions of Semilinear Elliptic Equations, to appear in Nonl. Anal.- TMA.
• D.G. Costa and H. Tehrani, On the Sign of the Mountain-Pass Solution, UNLV Preprint Series #98-02, to appear in Nonl. Anal.- TMA.