Volume 70, No. 2 (2015)
Elemente der Mathematik
pp. 45–48 A characterization by optimization of the orthocenter of a triangleJean-Baptiste Hiriart-UrrutyPierre-Jean Laurent
DOI 10.4171/EM/273pp. 49–54 A new Faà di Bruno type formulaUlrich Abel
DOI 10.4171/EM/274pp. 55–66 A probabilistic approach to some binomial identitiesChristophe VignatVictor H. Moll
DOI 10.4171/EM/275pp. 67–70 Buffon’s problem with a pivot needleUwe Bäsel
DOI 10.4171/EM/276pp. 71–78 On the theorem of the three perpendicularsJin-ichi ItohJoël RouyerCostin Vîlcu
DOI 10.4171/EM/277pp. 79–81 On an inequality in involving Basel problemZarif O. IbragimovDiyora F. Salimova
DOI 10.4171/EM/278pp. 82–85 DOI 10.4171/EM/279Aufgabenpp. 86–88 DOI 10.4171/EM/280Rezensionen