Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester New series expansions for the \(\mathcal{H}\)-function of communication theory. (English) Zbl 07765873 Integral Transforms Spec. Funct. 34, No. 12, 879-890 (2023). MSC: 33E20 41A58 41A80 94A99 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Integral Transforms Spec. Funct. 34, No. 12, 879--890 (2023; Zbl 07765873) Full Text: DOI OA License
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Uniform convergent expansions of the error function in terms of elementary functions. (English) Zbl 1515.33002 Mediterr. J. Math. 20, No. 3, Paper No. 117, 10 p. (2023). MSC: 33B20 41A58 41A80 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Mediterr. J. Math. 20, No. 3, Paper No. 117, 10 p. (2023; Zbl 1515.33002) Full Text: DOI
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester A convergent version of Watson’s lemma for double integrals. (English) Zbl 1521.44001 Integral Transforms Spec. Funct. 34, No. 3, 196-210 (2023). MSC: 44A10 41A60 41A58 33F99 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Integral Transforms Spec. Funct. 34, No. 3, 196--210 (2023; Zbl 1521.44001) Full Text: DOI
Ferreira, Chelo; López, José; Pérez Sinusia, Ester Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions. (English) Zbl 1463.34093 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 22, 21 p. (2020). MSC: 34B16 34A25 34B05 41A58 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 22, 21 p. (2020; Zbl 1463.34093) Full Text: DOI
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Uniform representations of the incomplete beta function in terms of elementary functions. (English) Zbl 1406.33002 ETNA, Electron. Trans. Numer. Anal. 48, 450-461 (2018). MSC: 33B20 41A58 41A80 PDFBibTeX XMLCite \textit{C. Ferreira} et al., ETNA, Electron. Trans. Numer. Anal. 48, 450--461 (2018; Zbl 1406.33002) Full Text: Link
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Convergent and asymptotic methods for second-order difference equations with a large parameter. (English) Zbl 1403.39001 Mediterr. J. Math. 15, No. 6, Paper No. 224, 19 p. (2018). MSC: 39A06 41A58 41A60 34B27 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Mediterr. J. Math. 15, No. 6, Paper No. 224, 19 p. (2018; Zbl 1403.39001) Full Text: DOI Link
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Uniform convergent expansions of the Gauss hypergeometric function in terms of elementary functions. (English) Zbl 1402.33004 Integral Transforms Spec. Funct. 29, No. 12, 942-954 (2018). MSC: 33C05 41A58 41A80 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Integral Transforms Spec. Funct. 29, No. 12, 942--954 (2018; Zbl 1402.33004) Full Text: DOI Link
Ferreira, Chelo; López, José L.; Sinusía, Ester Pérez The use of two-point Taylor expansions in singular one-dimensional boundary value problems I. (English) Zbl 1395.34030 J. Math. Anal. Appl. 463, No. 2, 708-725 (2018). MSC: 34B16 34B15 34A25 PDFBibTeX XMLCite \textit{C. Ferreira} et al., J. Math. Anal. Appl. 463, No. 2, 708--725 (2018; Zbl 1395.34030) Full Text: DOI Link
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester On a modification of Olver’s method: a special case. (English) Zbl 1339.34064 Constr. Approx. 43, No. 2, 273-290 (2016). MSC: 34E05 41A58 41A60 34B27 34M03 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Constr. Approx. 43, No. 2, 273--290 (2016; Zbl 1339.34064) Full Text: DOI arXiv Link
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Convergent and asymptotic expansions of solutions of differential equations with a large parameter: Olver cases II and III. (English) Zbl 1337.34057 J. Integral Equations Appl. 27, No. 1, 27-45 (2015). Reviewer: Nicolae Lupa (Timisoara) MSC: 34E05 34A12 34B27 41A58 45D05 47N20 34A30 PDFBibTeX XMLCite \textit{C. Ferreira} et al., J. Integral Equations Appl. 27, No. 1, 27--45 (2015; Zbl 1337.34057) Full Text: DOI Euclid
Ferreira, Chelo; López, José L.; Pérez Sinusía, Ester Convergent and asymptotic expansions of solutions of second-order differential equations with a large parameter. (English) Zbl 1300.34028 Anal. Appl., Singap. 12, No. 5, 523-536 (2014). MSC: 34A25 34A12 41A58 41A60 34B27 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Anal. Appl., Singap. 12, No. 5, 523--536 (2014; Zbl 1300.34028) Full Text: DOI
Ferreira, Chelo; López, José L.; Pagola, Pedro; Pérez Sinusía, Ester The Laplace’s and steepest descents methods revisited. (English) Zbl 1155.41313 Int. Math. Forum 2, No. 5-8, 297-314 (2007). MSC: 41A60 41A58 33C65 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Int. Math. Forum 2, No. 5--8, 297--314 (2007; Zbl 1155.41313) Full Text: DOI