Articles in Scholarly Journals [Incomplete List]

1. On finding sign-changing solutions
   Journal of Functional Analysis, vol. 234, no. 2, pp. 364–419, 2006
2. Sign-changing critical points from linking type theorems
   Transactions of the American Mathematical Society, vol. 358, no. 12, pp. 5293–5319, 2006
3. Infinitely many solutions to perturbed elliptic equations
   Journal of Functional Analysis, vol. 228, no. 1, pp. 1–38, 2005
4. Some recent results in linking theory and applications
   Nonlinear Analysis, vol. 63, no. 5-7, pp. e1979–e1988, 2005
5. An infinite-dimensional linking theorem and applications
   Journal of Differential Equations, vol. 201, no. 2, pp. 324–350, 2004
6. Sign-changing saddle point
   Journal of Functional Analysis, 2004
7. New Linking Theorem and Sign-Changing Solutions
   Communications in Partial Differential Equations, vol. 29, no. 3&4, pp. 471–488, 2004
8. Homoclinic orbits for Schr�dinger systems
   The Michigan Mathematical Journal, vol. 51, no. 1, pp. 59–72, 2003
9. On a Schrodinger equation with periodic potential and spectrum point zero
   Indiana University Mathematics Journal, vol. 52, no. 1, pp. 109–132, 2003
10. New linking theorem and elliptic systems with nonlinear boundary condition
    Nonlinear Analysis, vol. 52, no. 7, pp. 1797–1820, 2003
11. Infinitely many homoclinic orbits for the second-order Hamiltonian systems
    Applied Mathematics Letters, vol. 16, no. 8, pp. 1283–1287, 2003
12. On Functionals Bounded Below
    Functional Analysis and Its Applications, vol. 37, no. 2, pp. 142–146, 2003
13. Weak linking
    Nonlinear Analysis, vol. 55, no. 6, pp. 695–706, 2003
14. Double linking theorem and multiple solutions
    Journal of Functional Analysis, vol. 205, no. 1, pp. 37–61, 2003
15. Multiple solutions for elliptic equations with resonance
    Nonlinear Analysis, vol. 48, no. 3, pp. 363–376, 2002
16. Computations of the critical groups and the nontrivial solutions for resonant type asymptotically linear Hamiltonian systems
    Nonlinear Analysis, vol. 49, no. 4, pp. 481–499, 2002
17. Infinitely many solutions for Hamiltonian systems
    Journal of Differential Equations, vol. 186, no. 1, pp. 141–164, 2002
18. COMPUTATIONS OF THE COHOMOLOGY GROUPS WITH APPLICATIONS TO ASYMPTOTICALLY LINEAR BEAM EQUATIONS AND NONCOOPERATIVE ELLIPTIC SYSTEMS1*
    Communications in Partial Differential Equations, vol. 27, no. 1-2, pp. 115–147, 2002
19. Solitary waves of the generalized Kadomtsev-Petviashvili equations
    Applied Mathematics Letters, vol. 15, no. 1, pp. 35–39, 2002
20. Multiple solutions for second-order Hamiltonian systems via computation of the critical groups
    Nonlinear Analysis, vol. 44, no. 7, pp. 975–989, 2001
21. Variant fountain theorems and their applications
    manuscripta mathematica, vol. 104, no. 3, pp. 343–358, 2001
22. Multiple Solutions for Asymptotically Linear Elliptic Systems,
    Journal of Mathematical Analysis and Applications, vol. 255, no. 1, pp. 213–229, 2001
23. Multiple Solutions for Resonant Elliptic Equations via Local Linking Theory and Morse Theory
    Journal of Differential Equations, vol. 170, no. 1, pp. 68–95, 2001
24. Infinite Dimensional Cohomology Groups and Periodic Solutions of Asymptotically Linear Hamiltonian Systems
    Journal of Differential Equations, vol. 174, no. 2, pp. 369–391, 2001
25. Homoclinic Orbits for Asymptotically Linear Hamiltonian Systems
    Journal of Functional Analysis, vol. 187, no. 1, pp. 25–41, 2001
26. The Computations of the Critical Groups with an Application to Elliptic Resonant Problems at a Higher Eigenvalue,
    Journal of Mathematical Analysis and Applications, vol. 235, no. 1, pp. 237–259, 1999
27. Nontrivial solutions for resonant cooperative elliptic systems via computations of critical groups
    Nonlinear Analysis, vol. 38, no. 2, pp. 229–247, 1999
28. Remarks on a class of elliptic problems with critical exponents
    Nonlinear Analysis, vol. 32, no. 6, pp. 769–774, 1998
29. Solutions for Resonant Elliptic Systems with Nonodd or Odd Nonlinearities,
    Journal of Mathematical Analysis and Applications, vol. 223, no. 2, pp. 397–417, 1998
30. Positive fixed point and eigenvalue results for weakly inward maps
    Nonlinear Analysis, vol. 27, no. 12, pp. 1447–1461, 1996