Muthulakshmi, Velu; Manjuram, Ramalingam Interval oscillation criteria for damped second-order delay differential equations with nonlinearities given by Riemann-Stieltjes integral. (English) Zbl 1482.34157 Int. J. Dyn. Syst. Differ. Equ. 11, No. 2, 89-107 (2021). MSC: 34K11 34K33 PDFBibTeX XMLCite \textit{V. Muthulakshmi} and \textit{R. Manjuram}, Int. J. Dyn. Syst. Differ. Equ. 11, No. 2, 89--107 (2021; Zbl 1482.34157) Full Text: DOI
Muthulakshmi, V.; Manjuram, R. Interval oscillation criteria for second-order impulsive delay differential equations with mixed nonlinearities. (English) Zbl 1474.34450 Electron. J. Math. Anal. Appl. 9, No. 2, 106-129 (2021). MSC: 34K11 34K45 34K17 PDFBibTeX XMLCite \textit{V. Muthulakshmi} and \textit{R. Manjuram}, Electron. J. Math. Anal. Appl. 9, No. 2, 106--129 (2021; Zbl 1474.34450) Full Text: Link
Grace, Said Rezk; Alzabut, Jehad; Punitha, Sakthivel; Muthulakshmi, Velu; Adıgüzel, Hakan On the nonoscillatory behavior of solutions of three classes of fractional difference equations. (English) Zbl 1464.39006 Opusc. Math. 40, No. 5, 549-568 (2020). MSC: 39A13 39A21 PDFBibTeX XMLCite \textit{S. R. Grace} et al., Opusc. Math. 40, No. 5, 549--568 (2020; Zbl 1464.39006) Full Text: DOI