Articles in Scholarly Journals [Incomplete List]

1. Positive solutions for second-order superlinear repulsive singular Neumann boundary value problems
   Positivity, 2008
2. Positive solutions of Neumann problems with singularities
   Journal of Mathematical Analysis and Applications, vol. 337, no. 2, pp. 1267–1272, 2008
3. Non-collision periodic solutions of second order singular dynamical systems
   Journal of Mathematical Analysis and Applications, 2008
4. Impulsive periodic solutions of first-order singular differential equations
   Bulletin of the London Mathematical Society, vol. 40, no. 1, pp. 143–150, 2008
5. Applications of Schauder's fixed point theorem to singular differential equations
   Bulletin of the London Mathematical Society, vol. 39, no. 4, pp. 653–660, 2007
6. The monotone method for Neumann functional differential equations with upper and lower solutions in the reverse order
   Nonlinear Analysis: Theory, Methods & Applications, vol. 67, no. 10, pp. 2815–2828, 2007
7. Positive periodic solutions of Hill’s equations with singular nonlinear perturbations
   Nonlinear Analysis: Theory, Methods & Applications, 2007
8. Positive solutions and eigenvalue intervals for nonlinear systems
   Proceedings Mathematical Sciences, vol. 117, no. 1, pp. 85–95, 2007
9. Periodic solutions of second order non-autonomous singular dynamical systems
   Journal of Differential Equations, vol. 239, no. 1, pp. 196–212, 2007
10. Positive solutions for singular non-linear third-order periodic boundary value problems
    Nonlinear Analysis, vol. 64, no. 7, pp. 1528–1542, 2006
11. Eigenvalues and discrete boundary value problems for the one-dimensional -laplacian
    Journal of Mathematical Analysis and Applications, vol. 305, no. 2, pp. 452–465, 2005
12. Multiplicity of positive periodic solutions to superlinear repulsive singular equations
    Journal of Differential Equations, vol. 211, no. 2, pp. 282–302, 2005
13. Multiple positive solutions to superlinear periodic boundary value problems with repulsive singular forces
    Journal of Mathematical Analysis and Applications, vol. 286, no. 2, pp. 563–576, 2003