Variational Approach to Impulsive Differential Equations with Singular Nonlinearities

Perestyuk, M., & Feketa, P. (2011). Invariant Sets of Impulsive Differential Equations with Particularities in ω-Limit Set. Abstract and Applied Analysis, (2011), 4293-4306. https://doi.org/10.1155/2011/970469
DESSOUKY, A. T. E. (1995). VARIATIONAL INEQUALITIES OF STRONGLY NONLINEAR ELLIPTIC OPERATORS OF INFINITE ORDER. International Journal of Mathematics and Mathematical Sciences, 1995(), 77-82. https://doi.org/10.1155/S016117129500010X
Ju, E. Y., & Jeong, J. M. (2013). Optimal Control Problems for Nonlinear Variational Evolution Inequalities. Abstract and Applied Analysis, 2013(), 509-518-953. https://doi.org/10.1155/2013/724190
Cheng, R., & Hu, J. H. (2010). Variational Approaches for the Existence of Multiple Periodic Solutions of Differential Delay Equations. Abstract and Applied Analysis, (2010), 1980-1993. https://doi.org/10.1155/2010/978137
Li, G., Ling, W., & Ding, C. (2015). A New Comparison Principle for Impulsive Functional Differential Equations. Discrete Dynamics in Nature and Society, 2015(), 166-171-015. https://doi.org/10.1155/2015/139828