Schwaiger, Jens; Gronau, Detlef The Poincaré model of hyperbolic geometry in an arbitrary real inner product space and an elementary construction of hyperbolic triangles with prescribed angles. (English) Zbl 1204.51021 J. Geom. 93, No. 1-2, 146-163 (2009). Reviewer: Walter Benz (Hamburg) MSC: 51M09 PDFBibTeX XMLCite \textit{J. Schwaiger} and \textit{D. Gronau}, J. Geom. 93, No. 1--2, 146--163 (2009; Zbl 1204.51021) Full Text: DOI
Gronau, Detlef; Schwaiger, Jens An estimate for the iterates of analytic functions in several variables with fixed point 0. (English) Zbl 1056.39032 Grazer Math. Ber. 346, 169-176 (2004). Reviewer: János Aczél (Waterloo/Ontario) MSC: 39B12 30A10 30B10 30D05 PDFBibTeX XMLCite \textit{D. Gronau} and \textit{J. Schwaiger}, Grazer Math. Ber. 346, 169--176 (2004; Zbl 1056.39032)
Gronau, Detlef (ed.); Schwaiger, Jens (ed.) Colloquium dedicated to Ludwig Reich, January 28, 2000, Graz, Austria. (Festkolloquium für Ludwig Reich gehalten am 28. Jänner 2000 in Graz, Österreich.) (German, English) Zbl 0972.00074 Grazer Math. Ber. 342, 70 S. (2000). MSC: 00B30 39-06 PDFBibTeX XMLCite \textit{D. Gronau} (ed.) and \textit{J. Schwaiger} (ed.), Grazer Math. Ber. 342, 70~S. (2000; Zbl 0972.00074)
Aczél, János; Gronau, Detlef; Schwaiger, Jens Increasing solutions of the homogeneity equation and of similar equations. (English) Zbl 0806.39009 J. Math. Anal. Appl. 182, No. 2, 436-464 (1994). Reviewer: H.K.L.Vasudeva (Chandigarh) MSC: 39B22 PDFBibTeX XMLCite \textit{J. Aczél} et al., J. Math. Anal. Appl. 182, No. 2, 436--464 (1994; Zbl 0806.39009) Full Text: DOI