Qian, Cheng; Chen, Xiao-Diao; Malesevic, Branko Tighter bounds for the inequalities of sinc function based on reparameterization. (English) Zbl 1487.26022 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 29, 38 p. (2022). MSC: 26D05 33B10 PDFBibTeX XMLCite \textit{C. Qian} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 29, 38 p. (2022; Zbl 1487.26022) Full Text: DOI
Chen, Xiao-Diao; Wang, Hui; Yu, Junle; Cheng, Zhanglin; Zhu, Ping New bounds of sinc function by using a family of exponential functions. (English) Zbl 1502.33001 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 16, 17 p. (2022). Reviewer: D. L. Suthar (Dessie) MSC: 33B10 26D05 PDFBibTeX XMLCite \textit{X.-D. Chen} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 16, 17 p. (2022; Zbl 1502.33001) Full Text: DOI
Chen, Xiao-Diao; Qian, Cheng; Zhu, Ping; Pan, Xianghui Monotonous two-parameter functions for asymptoticly approximating the inequalities involving the inverse tangent functions. (English) Zbl 1492.26016 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 10, 10 p. (2022). Reviewer: Constantin Niculescu (Craiova) MSC: 26D05 26D15 33B10 PDFBibTeX XMLCite \textit{X.-D. Chen} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 10, 10 p. (2022; Zbl 1492.26016) Full Text: DOI
Huang, Wangkang; Chen, Xiao-Diao; Chen, Linqiang; Mao, Xiaoyang New inequalities for hyperbolic functions based on reparameterization. (English) Zbl 1454.26017 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 3, 16 p. (2021). Reviewer: James Adedayo Oguntuase (Abeokuta) MSC: 26D05 26D07 PDFBibTeX XMLCite \textit{W. Huang} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 3, 16 p. (2021; Zbl 1454.26017) Full Text: DOI
Chen, Xiao-diao; Wang, Long-quan; Wang, Yi-gang A constructive method for approximating trigonometric functions and their integrals. (English) Zbl 1488.42012 Appl. Math., Ser. B (Engl. Ed.) 35, No. 3, 293-307 (2020). MSC: 42A10 26D05 26D07 42A15 PDFBibTeX XMLCite \textit{X.-d. Chen} et al., Appl. Math., Ser. B (Engl. Ed.) 35, No. 3, 293--307 (2020; Zbl 1488.42012) Full Text: DOI
Chen, Xiao-Diao; Shi, Jiaer; Wang, Yigang; Xiang, Pan A new method for sharpening the bounds of several special functions. (English) Zbl 1371.26020 Result. Math. 72, No. 1-2, 695-702 (2017). MSC: 26D05 26D07 33B10 PDFBibTeX XMLCite \textit{X.-D. Chen} et al., Result. Math. 72, No. 1--2, 695--702 (2017; Zbl 1371.26020) Full Text: DOI