References
- R. V. Culshaw and S. Ruan, A delay differential equation model of HIV infection of C D4+ T-cells, Math. Biosci. 165 (2000), 27–39.
- H. G. Debela and G. F. Duressa, Uniformly Convergent Numerical Method for Singularly Perturbed Convection-Diffusion Type Problems with Non-local Boundary Condition, International Journal for Numerical Methods in Fluids 92(2020), 1914–1926.
- E. L. Els’golts, Qualitative Methods in Mathematical Analysis in: Translations of Mathematical Monographs, vol. 12. American Mathematical Society, Providence (1964).
- G. Gadissa and G. File, Fitted fourth order scheme for singularly perturbed delay convection-diffusion equations, Ethiopian Journal of Education and Sciences 14(2) (2019), 102–118.
- F. Z. Geng and S. P. Qian, A hybrid method for singularly perturbed delay boundary value problems exhibiting a right boundary layer, Bulletin of the Iranian Mathematical Society 41(5), (2015) 1235–1247.
- V. Y. Glizer, Asymptotic analysis and Solution of a finite-horizon H∞ control problem for singularly perturbed linear systems with small state delay, J. Optim. Theory Appl. 117 (2003), 295–325.
- S. Jiang, L. Liang, M. Sun and F. Su, Uniform high-order convergence of multiscale finite element computation on a graded recursion for singular perturbation. Electron.Res.Arch. 28 (2020), 935–949.
- D. Kumar and P. Kumari, Parameter-uniform numerical treatment of singularly perturbed initial-boundary value problems with large delay. Appl. Numer. Math. 153 (2020), 412–429.
- N. S. Kumar and R.N. Rao, A Second Order Stabilized Central Difference Method for Singularly Perturbed Differential Equations with a Large Negative Shift, Differential Equations and Dynamical Systems (2020) 1–18.
- Z. Liu and N. S. Papageorgiou, Positive solutions for resonant (p,q)-equations with convection. Adv. Nonlinear Anal. 10 (2021), 217–232.
- A. Longtin and J. Milton, Complex oscillations in the human pupil light reflex with mixed and delayed feedback, Math. Biosci. 90(1988), 183–199.
- R. E. O’Malley, Singular perturbation methods for ordinary differential equations (Vol. 89, pp. viii+-225). New York, Springe, 1991.
- K. Perera, R. Shivaji and I. Sim, A class of semipositone p-Laplacian problems with a critical growth reaction term. Adv. Nonlinear Anal. 9 (2020), 516–525.
- Y. N. Reddy, G. B. S. L. Soujanya and K. Phaneendra, Numerical integration method for singularly perturbed delay differential equations, International Journal of applied science and Engineering. 10(3) (2012), 249–261.
- C. L. Sirisha and Y. N. Reddy, Numerical integration of singularly perturbed delay differential equations using exponential integrating factor, Mathematical Communications. 22(2)(2017), 251–264.
- V. Subburayan and N. Ramanujam, An initial value technique for singularly perturbed convection–diffusion problems with a negative shift, Journal of Optimization Theory and Applications. 158(1)(2013), 234–250.
- X. Tang and S. Chen, Singularly perturbed Choquard equations with nonlinearity satisfying Berestycki-Lions assumptions. Adv. Nonlinear Anal. 9 (2020), 413–437.
- V. D. Varma, N. Chamakuri and S. K. Nadupuri, Discontinuous Galerkin solution of the convection-diffusion-reaction equations in fluidized beds. Appl. Numer. Math. 153 (2020), 188–201.