Badertscher, Erich A simple direct proof of Marden’s theorem. (English) Zbl 1301.30005 Am. Math. Mon. 121, No. 6, 547-548 (2014). MSC: 30C15 PDFBibTeX XMLCite \textit{E. Badertscher}, Am. Math. Mon. 121, No. 6, 547--548 (2014; Zbl 1301.30005) Full Text: DOI
Badertscher, Erich; Koornwinder, Tom H. Continuous Hahn polynomials of differential operator argument and analysis on Riemannian symmetric spaces of constant curvature. (English) Zbl 0759.33006 Can. J. Math. 44, No. 4, 750-773 (1992). Reviewer: R.Askey (Madison) MSC: 33C80 33C50 PDFBibTeX XMLCite \textit{E. Badertscher} and \textit{T. H. Koornwinder}, Can. J. Math. 44, No. 4, 750--773 (1992; Zbl 0759.33006) Full Text: DOI
Badertscher, Erich The Pompeiu problem on locally symmetric spaces. (English) Zbl 0777.43006 J. Anal. Math. 57, 250-281 (1991). Reviewer: C.A.Berenstein (College Park) MSC: 43A85 PDFBibTeX XMLCite \textit{E. Badertscher}, J. Anal. Math. 57, 250--281 (1991; Zbl 0777.43006) Full Text: DOI
Badertscher, E. An explicit formula about the convex hull of random points. (English) Zbl 0697.60015 Elem. Math. 44, No. 4, 104-106 (1989). MSC: 60D05 PDFBibTeX XMLCite \textit{E. Badertscher}, Elem. Math. 44, No. 4, 104--106 (1989; Zbl 0697.60015) Full Text: EuDML
Badertscher, E.; Reimann, H. M. Harmonic analysis for vector fields on hyperbolic spaces. (English) Zbl 0662.43011 Math. Z. 202, No. 3, 431-456 (1989). Reviewer: E.Badertscher MSC: 43A90 53C22 57R25 43A32 33C80 51M10 PDFBibTeX XMLCite \textit{E. Badertscher} and \textit{H. M. Reimann}, Math. Z. 202, No. 3, 431--456 (1989; Zbl 0662.43011) Full Text: DOI EuDML
Badertscher, E. Harmonic analysis and Radon transforms on pencils of geodesics. (English) Zbl 0589.43010 Math. Scand. 58, 187-214 (1986). MSC: 43A90 43A32 33C80 51M10 53C22 PDFBibTeX XMLCite \textit{E. Badertscher}, Math. Scand. 58, 187--214 (1986; Zbl 0589.43010) Full Text: DOI EuDML