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A new president for the CIJM | Tangente
At the end of January, Brigitte Bourgasser Wenner succeeded Marie José Pestel as head of the International Committee for Mathematical Games (CIJM).
Société mathématique de France turns 150 | Tangente
In 1871, France, fresh from defeat at the hands of Germany, recognized that it had fallen behind technologically. The government of the new French Republic decided to bring together and coordinate efforts to organize research. This led to the founding of the Société mathématique de France (SMF) in 1872, followed the next year by the Société française de physique.
A YouTube for maths | Tangente
Carmin.tv is the name of a brand-new, free online audiovisual platform devoted entirely to "mathematics and its interactions with other sciences".
Polls / Secrets of a "statistics machine"
Now that algorithms can analyze vast volumes of data, tools are being used to provide a comprehensive, concise overview of the information. The Hedwige aggregator, developed by the start-up Datapolitics, focuses on data from the world of politics.
2022 from every angle
Once again this year, the Tangente team has shown ingenuity in uncovering hidden properties of 2022…
Differential equations / Understanding the solution space without calculating the solutions
Combining tools, methods and techniques from geometry, algebra and analysis can yield particularly fruitful and spectacular results. Sometimes, for instance, we can learn about the solution space of a differential equation without having to calculate the solutions themselves!
Mathematical puzzles take center stage | Tangente
Discover the new problem-writing competition and the new format of Tangente's "Problems" section.
Combien d’angles aigus ? | Tangente
Les diagonales | Tangente
Des angles en suite | Tangente
Se faire rouler | Tangente
Le quadrilatère | Tangente
Les triangles de diagonales | Tangente
Avec des carrés et des triangles | Tangente
Le rayon confiné | Tangente
Hexagones non coupables | Tangente
Les pions de couleur | Tangente
Pentagonons, mais en restant convexes | Tangente
Les formes du château de Maulnes font apparaître des pièces pentagonales… et des idées de découpes géométriques.
Le fantôme de Cantorville | Tangente
L’Institut intergalactique est le temple de l’excellence, où exerce le redouté professeur Phi. Une pièce de théâtre apparemment paradoxale a l’heur de combler Phi…
Ulam : un passionnant cheminement intellectuel | Tangente
Maths en (Favre-)Bulle | Tangente
Aux sources de l’arithmétique politique | Tangente
Énigmes : enquête sur un classique | Tangente
Partez à la découverte des permutations figurées | Tangente
Une enquête sur la vie des doctorants | Tangente
La bonne recette pour apprendre à compter | Tangente
La danse des nombres | Tangente
Il n’y pas que les moutons à compter | Tangente
Avant Marie Curie : Marie Sklodowska | Tangente