# Information on the author

Ravi P. Agarwal

Member of the Editorial Board of the journal *Nonlinear Oscillations*

- Existence theory for single and multiple periodic and almost periodic solutions of nonlinear integral equations
- R. P. Agarwal and D. O'Regan
- Volume 4, No.1, pp. 2-15
- Link
- Eigenvalue characterization of a system of difference equations
- R. P. Agarwal, D. O'Regan, and P. J. Y. Wong
- Volume 7, No.1, pp. 3-47
- Link PDF
- Quaternion-valued dynamic equations and Henstock-Kurzweil delta-integrals on time scales: A survey
- Guangzhou Qin, Chao Wang, and R. P. Agarwal
- Volume 26, No.1, pp. 55-76
- Link
- Existence of local and global solutions of fractional order differential equations
- M. Muslim, C. Conca, and R. P. Agarwal
- Volume 14, No.1, pp. 76-84
- Link PDF
- Applications of perturbations on accretive mappings to nonlinear elliptic systems involving -Laplacian
- Li Wei, R. P. Agarwal, and P. J. Y. Wong
- Volume 12, No.2, pp. 195-207
- Link PDF
- Fixed point theory for weakly sequentially upper semicontinuous maps with applications to differential inclusions
- R. P. Agarwal and D. O'Regan
- Volume 5, No.3, pp. 287-296
- Link PDF
- Optimal existence theory for single and multiple positive periodic solutions to functional differential equations
- D. Jiang, D. O'Regan, and R. P. Agarwal
- Volume 6, No.3, pp. 334-345
- Link PDF