Article: The Feuerbach circle and the other remarkable circles of the cyclic polygons
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1
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Article: Two curious integrals and a graphic proof
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11
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Article: An explicit family of Um-numbers
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18
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Article: Contractible Hamiltonian cycles in trangulated surfaces
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23
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Article: The Green-Tao theorem on primes in arithmetical progressions in the positive cone of Z[X]
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30
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Article: A proof of the main theorem on Bezoutians
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33
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Rubrique: Aufgaben
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40
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Compte rendu de lecture: Rezensionen
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44
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Article: Continuous flattening of some pyramids
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45
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Article: Eine Verallgemeinerung des Satzes von Pohlke
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57
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Article: Limit shape of iterated Kiepert triangles
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61
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Article: A simple recursion for power sum polynominals
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65
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Article: Asymptotisches Verhalten der Lösungen inhomogener linearer Differenzgleichungen zweiter Ordnun mit konstanten Koeffizienten
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68
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Rubrique: Aufgaben
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84
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Rubrique: Rezensionen
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88
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Article: Jost Bürgi and the discovery of the logarithms
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89
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Article: Die Regel von l'Hôpital
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118
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Article: Is every polynomial with integer coefficients near an irreducible polynomial
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130
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Article: Polygons of the Lorentzian plane and spherical simplexes
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144
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Article: Inequalities comparing
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156
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Rubrique: Aufgaben
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162
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Compte rendu de lecture: Rezensionen
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167
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Article: Fibonacci goes magic
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169
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Article: Some hidden harmonies between new and old geometric loci
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178
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Article: Some remarks about Descartes' rule of signs
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186
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Article: Linear functional equations involving Babbage's equation
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195
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Rubrique: Aufgaben
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205
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Compte rendu de lecture: Rezensionen
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210
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