Huang, Shao Yuan; Cheng, Sui Sun Existence of eventually positive solutions of higher order impulsive delay differential equations. (English) Zbl 1325.34090 Rocky Mt. J. Math. 45, No. 1, 237-271 (2015). Reviewer: Paul Georgescu (Iaşi) MSC: 34K45 34K11 47N20 PDFBibTeX XMLCite \textit{S. Y. Huang} and \textit{S. S. Cheng}, Rocky Mt. J. Math. 45, No. 1, 237--271 (2015; Zbl 1325.34090) Full Text: DOI Euclid
Huang, Shao Yuan; Cheng, Sui Sun Necessary and sufficient conditions for nonoscillatory solutions of impulsive delay differential equations. (English) Zbl 1340.34304 Electron. J. Qual. Theory Differ. Equ. 2013, Paper No. 38, 18 p. (2013). MSC: 34K45 34K11 PDFBibTeX XMLCite \textit{S. Y. Huang} and \textit{S. S. Cheng}, Electron. J. Qual. Theory Differ. Equ. 2013, Paper No. 38, 18 p. (2013; Zbl 1340.34304) Full Text: DOI Link
Huang, Shao Yuan; Cheng, Sui Sun Eventually positive solutions for nonlinear impulsive differential equations with delays. (English) Zbl 1278.34091 Ann. Pol. Math. 104, No. 1, 43-70 (2012). MSC: 34K45 34K11 PDFBibTeX XMLCite \textit{S. Y. Huang} and \textit{S. S. Cheng}, Ann. Pol. Math. 104, No. 1, 43--70 (2012; Zbl 1278.34091) Full Text: DOI