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Elemente der Mathematik

Volume 67 (2012)
Article: A discrete Gauss-Bonnet type theorem 1
Article: A pretty binomial identity 18
Article: A generalisation of a result of de la Vallée Poussin 26
Rubric: Aufgaben 39
Rubric: Bücher und Computersoftware 44
Article: Elementarisierung von Benkos Lösung des 3. Hilbertschen Problems 45
Article: Elementary trigonometric sums related to quadratic residues 51
Article: A simple counterexample to Havil's "reformulation" of the Riemann Hypothesis 61
Article: Iterative geometric triangle transformations 68
Rubric: Aufgaben 84
Rubric: Bücher und Computersoftware 88
Article: Remembering Ernst Specker (1920-2011) 89
Article: Developments from Ernst Specker's work in Set Theory 116
Article: Ernst Specker and the hidden variables 122
Article: Complexity of partial satisfaction II 134
Rubric: Aufgaben 151
Rubric: Rezensionen 155
Article: Tiling by incongruent equilateral triangles without requiring local finiteness 157
Article: The phi-ratio tests 164
Article: On certain permutation groups and sums of two squares 169
Article: Divisibility of power sums and the generalized Erdős-Moser equation 182
Article: Equicevian points on the altitudes of a triangle 187
Rubrique: Aufgaben 196
Rubrique: Rezensionen 200