Ueber Eigenwerte, Integrale und pi^2/6: Die Idee der Spurformel (On eigenvalues, integrals and pi^2/6: The idea of the trace formula)

Un énoncé et un texte inaugural

Un successeur de Bouguer : Étienne Bézout (1730 ? 1783) commissaire pour la marine à l'Académie royale des sciences

Uncountable sets and an infinite real number game

Une lettre d'Henri Lebesgue à Élie Cartan

Unity in Major Themes - Convergence vs. Arbitrariness in the Development of Mathematics

Universal Bimagic Squares and the day 10th October 2010 (10.10.10)

Unshackling Linear Algebra from Linear Notation

Upside Down Magic, Bimagic, Palindromic Squares and Pythagoras Theorem on a Palindromic Day - 11.02.2011

Upside Down Numerical Equation, Bimagic Squares, and the day September 11

Using known zeta-series to elucidate the origin of the Dancs-He series for $ \ln{2} $ and $ ζ{(2 n+1)}$

Utilization of technology for mathematical talks. An alarming situation

Validation of a Model of the Domino Effect?

Variae considerationes circa series hypergeometricas

Variations on an inequality from IMO'2001

Various analytic observations on combinations

Various considerations on hypergeometric series

Various observations on angles proceeding in geometric progression

Verhulst's logistic curve

Victor Borisovich Lidskii (1924-2008)