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Jean-Marc Schlenker
Works at University of Luxembourg
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Jean-Marc Schlenker

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About an interesting book by a biologist on the growing role of narcicism in academia. Mathematics seems to be an exception, but I do see this a lot in other fields.
A new book by Bruno Lemaitre considers whether science is suffering from being led by the self-obsessed
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The author of the book has a personal issue with this: he considers -- perhaps correctly -- that the work he did as a young researcher was unduly appropriated by the director of the lab, who went on to earn a Nobel prize for it.
https://forbetterscience.wordpress.com/.../bruno.../
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Jean-Marc Schlenker

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Interesting answers to a good question: why exactly is mathematics a good intellectual training for non-mathematical tasks?
 
Can you relate to these six?

Nearly dismissed this as one of "those" essays about the importance of #mathematics for everyone,, but the more I read of this post by +Jeremy Kun in +Medium, the more I cheered him on. His premise? That there exist concrete, unambiguous skills that students of mathematics, when properly taught, will practice and that will come in handy in their lives outside of mathematics. Not an exhaustive list, but certainly a good one to start with.
The most common question students have about mathematics is “when will I ever use this?” Many math teachers would probably struggle to give…
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Jean-Marc Schlenker

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A position of Associate Professor of mathematics is currently open at the University of Luxembourg. The intention is to hire a strong mathematician with an interest, and successful experience in, teaching of mathematics, in particular towards future high-school teachers. Teaching load is approx. equivalent to 3 US courses/year, and the position is quite attractive by international standards. 
Jobs](Please note: this link will open the page in a new browser window.) Print as PDF.
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Things are changing very, very slowly in France. Again, the gvt wants to nominate a bureaucrat to direct one of the main french research institutions, INRA.
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Jean-Marc Schlenker

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Up to 9 4-year positions for PhD students in mathematics are open at the University of Luxembourg. Several research directions are possible: geometry, probability theory, mathematical physics, etc. Deadline for application is May 10th but those interested are encouraged to apply as soon as possible.
Jobs](Please note: this link will open the page in a new browser window.) Print as PDF.
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Yan Hu
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I am interested in your research group.
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Thinking about studying for a Master in mathematics? Then you might think of doing it at the University of Luxembourg. The program offers high-quality courses to a limited number of students, with very good possible outcomes either in the academic direction (for those who want to go on with a PhD in mathematics) or directly on the job market (esp. in financial mathematics and applied mathematics).
Studies are basically free (200€/semester) and some financial support can be obtained in the form of student jobs. All courses are in english.

Thanks for sharing with those who might be interested!
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thank you so much. but they have not answered me yet. yes I also wonder why they have asked student such numbers. 
any way thank you so much
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Another indications that girls need to be encouraged, even more than boys, when studying mathematics. 
Efforts to improve math teaching and student confidence could help women persist in STEM
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Jean-Marc Schlenker

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A fascinating glimpse into the complex life that's going on below the ground in a forest.
The relationship between mycorrhizal fungi and the plants they connect is now known to be ancient—around four hundred and fifty million years old. Illustration by Enzo Pérès-Labourdette
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"We show that this is not the case for the competitive exams used to recruit almost all French secondary and postsecondary teachers and professors. Comparisons of oral non–gender-blind tests with written gender-blind tests for about 100,000 individuals observed in 11 different fields over the period 2006–2013 reveal a bias in favor of women that is strongly increasing with the extent of a field’s male-domination. This bias turns from 3 to 5 percentile ranks for men in literature and foreign languages to about 10 percentile ranks for women in math, physics, or philosophy."
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Another reason to hate the impact factor. Perhaps not the best reason, though.
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Very interesting for geometers interesting in rigidity -- those notions are much older than I thought!
 
Reciprocal force diagrams from Nouvelle Méchanique ou Statique by Pierre de Varignon (1725). The dotted graphs are planar duals of the solid graphs, which represent physical systems of struts. Assuming the system is in equilibrium, corresponding edges in the two diagrams are parallel, and the length of a dual edge is equal to the magnitude of axial force (tension or compression) on the corresponding strut. The dual graphs are also known as Maxwell-Cremona diagrams.

Is this the oldest illustration of duality between planar graphs? (Varignon's work was based on earlier results of Simon Stevin (c.1600), so maybe not.)

Found in Matthias Rippmann's habilitation thesis Funicular Shell Design:
Geometric approaches to form finding and fabrication of discrete funicular structures (http://www.block.arch.ethz.ch/brg/publications/591), which I found by chasing links from a recent Wired article on free-form vault design (http://www.wired.com/2016/06/compression-keeps-24-tons-stone-collapsing/).

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Jean-Marc Schlenker

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"The quest to gather ever more information can make us value the wrong things and grow overconfident about what we know."
The quest to gather ever more information can make us value the wrong things and grow overconfident about what we know.
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Mathematician, with interests in science, in education, and in how the research/higher education system works.
Introduction
Professor at the University of Luxembourg. My professional homepage is here.
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Gender
Male
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Mathematics, mostly.
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  • University of Luxembourg
    prof, 2013 - present
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