Koumandos, Stamatis; Lamprecht, Martin Complete monotonicity and related properties of some special functions. (English) Zbl 1272.33003 Math. Comput. 82, No. 282, 1097-1120 (2013). Reviewer: József Sándor (Cluj-Napoca) MSC: 33B15 26D20 26D15 PDFBibTeX XMLCite \textit{S. Koumandos} and \textit{M. Lamprecht}, Math. Comput. 82, No. 282, 1097--1120 (2013; Zbl 1272.33003) Full Text: DOI
Koumandos, Stamatis; Lamprecht, Martin The zeros of certain Lommel functions. (English) Zbl 1277.33003 Proc. Am. Math. Soc. 140, No. 9, 3091-3100 (2012). Reviewer: Juri M. Rappoport (Moskva) MSC: 33C10 33B10 42A05 30C15 26D15 PDFBibTeX XMLCite \textit{S. Koumandos} and \textit{M. Lamprecht}, Proc. Am. Math. Soc. 140, No. 9, 3091--3100 (2012; Zbl 1277.33003) Full Text: DOI
Alzer, Horst; Koumandos, Stamatis; Lamprecht, Martin A refinement of Vietoris’ inequality for sine polynomials. (English) Zbl 1202.42005 Math. Nachr. 283, No. 11, 1549-1557 (2010). MSC: 42A05 26D05 PDFBibTeX XMLCite \textit{H. Alzer} et al., Math. Nachr. 283, No. 11, 1549--1557 (2010; Zbl 1202.42005) Full Text: DOI
Koumandos, Stamatis; Lamprecht, Martin Some completely monotonic functions of positive order. (English) Zbl 1194.33003 Math. Comput. 79, No. 271, 1697-1707 (2010). MSC: 33B15 26D20 26D15 PDFBibTeX XMLCite \textit{S. Koumandos} and \textit{M. Lamprecht}, Math. Comput. 79, No. 271, 1697--1707 (2010; Zbl 1194.33003) Full Text: DOI
Koumandos, Stamatis; Lamprecht, Martin On a conjecture for trigonometric sums and starlike functions. II. (English) Zbl 1200.42002 J. Approx. Theory 162, No. 5, 1068-1084 (2010). Reviewer: Mehdi Hassani (Zanjan) MSC: 42A05 30A10 26D05 42A32 26D20 PDFBibTeX XMLCite \textit{S. Koumandos} and \textit{M. Lamprecht}, J. Approx. Theory 162, No. 5, 1068--1084 (2010; Zbl 1200.42002) Full Text: DOI