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Elemente der Mathematik

Elemente der Mathematik Volume 75 (2020)
Intitulé Page
Cahier 1 _
Pages liminaires
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Article: A unifying framework for generalizations of the Eneström-Kakeya theorem
1
Article: Logical equivalence of the fundamental theorems on operators between Banach spaces
15
Article: Mittelwerte als Minima
23
Article: Inequalities of Levin-Strečkin, Clausing and Chebyshev revisited
32
Rubrique: Aufgaben
37
Compte rendu de lecture: Rezensionen
44
Pages complémentaires
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Cahier 2 _
Pages liminaires
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Article: Constructions of isospectral circulant graphs
45
Article: Drittes Hilbertsches Problem mit Dehn-Invariante : eine Elementarisierung mit Kugeldreiecken
58
Article: Mean value theorems and convexity : an example of cross-fertilization of two mathematical items
69
Article: A simple proof of the infinitude of primes
80
Rubrique: Aufgaben
81
Pages complémentaires
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Cahier 3 _
Pages liminaires
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Article: Ratios, roots and means : a quartet of convergence tests
89
Article: Characteristics of modulo one sequences
103
Article: An application of Euclidian algorithm in cryptanalysis of RSA
114
Article: Mixtilinear radii and Finsler-Hadwiger inequality
121
Article: A proof of the Schwarz theorem on mixed partial derivatives via elementary approximation theory
125
Rubrique: Aufgaben
129
Compte rendu de lecture: Rezensionen
135
Pages complémentaires
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Cahier 4 _
Pages liminaires
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Article: Begegnung zwischen klassischen Mittelwerten und Kegelschnitten
137
Article: The irrationality measure of π as seen through the eyes of cos(n)
152
Article: An inequality for cevians and applications
166
Article: On the inequalities of Grüss-Čebyshev and Kantorovich : a probabilistic approach
172
Rubrique: Aufgaben
176
Compte rendu de lecture: Rezensionen
180
Table des matières
183
Pages complémentaires
187