ELISABETH BUSSER
226 articles published in Tangente
Math for everyoneN°62Feb 15, 2017Emergence in economics
Economics, too, has emergent properties! They create order despite apparent disorder, as if through "self-organization."
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Math for everyoneN°62Feb 10, 2017Antoine Cournot: from mathematics to economics
Economics did not always have much to do with mathematics, and for a long time its reasoning was verbal, until the arrival of thinkers such as Antoine Cournot, who brought rationality into the field in the 19th century.
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History and CultureN°174Jan 19, 2017The Bauhaus, between art and science
Right now, several exhibitions in Paris and elsewhere in France are not to be missed
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Math for everyoneN°174Jan 17, 2017The geometer's art
Geometry has its secrets: it often allows us to solve extremum problems without resorting to analysis or algebra. It also gives us an opportunity to revisit some classic results in triangle geometry.
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Math for everyoneN°173Nov 22, 2016Fermat and his "little" theorem
In the 17th century, Pierre de Fermat, though not a professional mathematician, was one of the pioneers of number theory. Less famous than his "last" theorem, whose proof has yielded more applications than the statement alone, his "little" theorem is immensely useful to us.
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Math for everyoneN°173Nov 22, 2016Marcel Berger: a life devoted to geometry
Everyone who met Marcel Berger (1927–2016) will remember this tall, athletic, resolute man with a strikingly intelligent gaze vividly.
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Math for everyoneN°173Nov 22, 2016Pretzels for a Nobel Prize
On October 4 in Stockholm, no one expected the 2016 Nobel Prize in Physics to go to this trio of British researchers. Still less did anyone expect their research to be explained… with pastries!
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Math for everyoneN°61Oct 05, 2016An unsettling approach to mathematics
Set theory, iconoclastic in Cantor's day, has become universal. Nothing like it had been seen since Euclid: it provides a foundation for mathematics! That foundation seemed solid—until paradoxes emerged. So what is this highly controversial mathematical construction?
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History and CultureN°172Sep 15, 2016Pythagoras: much more than a theorem
Pythagoras is more than the name of a famous theorem: he inspired an entire philosophical tradition that would influence not only mathematics and astronomy but music itself. Beyond the sciences, history has not heard the last of the "long-haired Samian"!
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Math for everyoneN°172Sep 15, 2016Computer science for young people: Bernard-Novelli and Prologin
Have you heard of Prologin, a dynamic organization of young computer scientists?
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History and CultureN°172Sep 15, 2016Yves Bonnefoy
On July 2, 2016, at the opening of the second Nuit des maths in Tours (Indre-et-Loire), university president Jean-Jacques Nattiez paid tribute to Yves Bonnefoy, the poet, translator and art critic who had died the previous day.
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History and CultureN°172Sep 14, 2016Jean-Christophe Yoccoz: thirty years’ reign over dynamical systems
The French mathematician Jean-Christophe Yoccoz died on September 3; he was 59.
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