Zhai, Chengbo; Wang, Li \(\varphi\)-\((h,e)\)-concave operators and applications. (English) Zbl 1419.34046 J. Math. Anal. Appl. 454, No. 2, 571-584 (2017). MSC: 34A08 26A33 47H11 47H10 PDFBibTeX XMLCite \textit{C. Zhai} and \textit{L. Wang}, J. Math. Anal. Appl. 454, No. 2, 571--584 (2017; Zbl 1419.34046) Full Text: DOI
Marasi, H. R.; Afshari, H.; Daneshbastam, M.; Zhai, C. B. Fixed points of mixed monotone operators for existence and uniqueness of nonlinear fractional differential equations. (English) Zbl 1370.34017 J. Contemp. Math. Anal., Armen. Acad. Sci. 52, No. 1, 8-13 (2017) and Izv. Nats. Akad. Nauk Armen., Mat. 52, No. 1, 78-84 (2017). MSC: 34A08 34B15 34A45 47H10 PDFBibTeX XMLCite \textit{H. R. Marasi} et al., J. Contemp. Math. Anal., Armen. Acad. Sci. 52, No. 1, 8--13 (2017; Zbl 1370.34017) Full Text: DOI
Yang, Chen; Zhai, Chengbo; Hao, Mengru Uniqueness of positive solutions for several classes of sum operator equations and applications. (English) Zbl 1370.47056 J. Inequal. Appl. 2014, Paper No. 58, 28 p. (2014). MSC: 47J05 47H07 45G15 35J60 35J65 47J10 PDFBibTeX XMLCite \textit{C. Yang} et al., J. Inequal. Appl. 2014, Paper No. 58, 28 p. (2014; Zbl 1370.47056) Full Text: DOI