JournalsemVol. 70, No. 3Elemente der MathematikVolume 70, No. 3 (2015)DOI 10.4171/EMISSN 0013-6018eISSN 1420-8962pp. 89–94On the convergence of thinned harmonic seriesWolfgang Stadjepp. 95–102A characterization of the ellipse related to illumination bodiesJesús Jerónimo-Castropp. 103–116Some observations on the Furstenberg topological spaceRezső L. LovasIstván Mezőpp. 117–124A diophantine equation for sums of consecutive like powersSimon FeltenStefan Müller-Stachpp. 125–130Wolstenholme againChristian AebiGrant Cairnspp. 131–134Aufgabenpp. 135–136Rezensionen