Karpuz, Başak; Santra, Shyam Sundar New criteria for the oscillation and asymptotic behavior of second-order neutral differential equations with several delays. (English) Zbl 1493.34180 Turk. J. Math. 44, No. 6, 1990-2003 (2020). MSC: 34K11 34K25 34K40 PDFBibTeX XMLCite \textit{B. Karpuz} and \textit{S. S. Santra}, Turk. J. Math. 44, No. 6, 1990--2003 (2020; Zbl 1493.34180) Full Text: DOI
Karpuz, Başak On the existence and uniqueness of solutions to dynamic equations. (English) Zbl 1424.34323 Turk. J. Math. 42, No. 3, 1072-1089 (2018). MSC: 34N05 34A12 PDFBibTeX XMLCite \textit{B. Karpuz}, Turk. J. Math. 42, No. 3, 1072--1089 (2018; Zbl 1424.34323) Full Text: DOI
Karpuz, Başak; Öcalan, Özkan New oscillation tests and some refinements for first-order delay dynamic equations. (English) Zbl 1424.34324 Turk. J. Math. 40, No. 4, 850-863 (2016). MSC: 34N05 34K11 PDFBibTeX XMLCite \textit{B. Karpuz} and \textit{Ö. Öcalan}, Turk. J. Math. 40, No. 4, 850--863 (2016; Zbl 1424.34324) Full Text: DOI
Yildiz, Mustafa Kemal; Karpuz, Başak; Öcalan, Özkan Oscillation of nonlinear neutral delay differential equations of second-order with positive and negative coefficients. (English) Zbl 1190.34078 Turk. J. Math. 33, No. 4, 341-350 (2009). Reviewer: Jan Ohriska (Košice) MSC: 34K11 34K40 PDFBibTeX XMLCite \textit{M. K. Yildiz} et al., Turk. J. Math. 33, No. 4, 341--350 (2009; Zbl 1190.34078)
Karpuz, Başak; Öcalan, Özkan; Yıldız, Mustafa Kemal Oscillation of higher-order nonlinear delay differential equations with oscillatory coefficients. (English) Zbl 1179.34074 Turk. J. Math. 33, No. 3, 259-263 (2009). MSC: 34K11 34K40 PDFBibTeX XMLCite \textit{B. Karpuz} et al., Turk. J. Math. 33, No. 3, 259--263 (2009; Zbl 1179.34074)