BERTRAND HAUCHECORNE
179 articles published in Tangente
Math for everyoneN°67Jun 28, 2018Biodiversity: a very fashionable portmanteau
What does "biodiversity" mean? Where does the word come from? Even without knowing it, we think we understand what it means
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Math for everyoneN°67Jun 28, 2018Development, yes—but why "sustainable"?
The first criticisms of economic development based on the overexploitation of natural resources emerged in the late 1960s.
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Math for everyoneN°182May 29, 2018A closer look at mental arithmetic
A mass-circulation weekly takes a look at mental arithmetic!
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Games and ChallengesN°182May 22, 2018Joseph Bertrand's paradoxes
Joseph Louis François Bertrand (1822–1900) is known for his research in analysis. Less well known is the remarkable book on probability that he published in 1889 (see
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History and CultureN°182May 17, 2018Killed or wounded at the front
Mathematicians, too, paid a heavy price in the Great War, leaving the scientific world with irreparable losses.
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History and CultureN°182May 17, 2018The Great War and mathematics
The deadly conflict of the First World War shattered international academic cooperation. It also took a devastating human toll, killing many scientists who had seemed destined for brilliant careers. Finally, it profoundly altered the place of mathematics in France.
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History and CultureN°181Mar 18, 2018Taking action against gender stereotypes
We met Véronique Slovacek-Chauveau and Annick Boisseau, the vice-president and secretary, respectively, of Femmes et mathématiques, who kindly agreed to answer our questions.
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History and CultureN°181Mar 18, 2018Gender balance: an urgent priority for mathematics
Although progress has been made in recent years, women remain underrepresented among those who use mathematics, from high school through to highly skilled scientific jobs. What lies behind this imbalance?
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Math for everyoneN°181Mar 15, 2018Big news briefs
Everything you always wanted to know about Big Data but were afraid to ask.
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Math for everyoneN°65Jan 03, 2018From vector spaces to affine spaces… and back again!
Linear algebra arose from the need to provide a framework for ordinary geometry. From a computational standpoint, it has been a success! By making certain operations and manipulations simpler and more systematic, it streamlines geometric reasoning and makes it more rigorous.
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History and CultureN°65Dec 30, 2017Cross product and scalar triple product
Defined on three-dimensional Euclidean space, these two products grew out of Hamilton's quaternions. They have become useful tools in geometry and mechanics.
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History and CultureN°65Dec 30, 2017The slow emergence of Euclidean spaces
The axiomatic definition of the dot product provided a rigorous and fruitful framework for studying metric properties—those involving distance, angle, and orthogonality. This concept did not emerge clearly until the 1920s.
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