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Gro-Tsen

@gro_tsen

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Eclectic mathematician, irritable geek, boring homosexual, procrastinator extraordinaire, overworked dilettante and full-time human being. I tweet in fr&en.

Paris, France
Joined July 2018
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@gro_tsen
Gro-Tsen
3 years
Version 2.0 of my pinned self-description thread. đŸ§” I'm a French+Canadian mathematician and gay geek, living in Paris, with eclectic tastes and interests. I tweet about all sorts of things, sometimes obsessively on one subject for days, later dropping it completely. — ‱1/17
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@gro_tsen
Gro-Tsen
2 days
(Everyone, of course, except the editors of Wikipedia who will face an endless stupid semantic debate on whether the MAGA Nobel Prize is or is not a Nobel Prize.)
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@ArchonAerospace
ARCHON AEROSPACE INC
2 days
Welcome... The Boomerang Family By: Archon Aerospace Why would you fly on any other aircraft? While its not perfect yet... thanks to @LeonardoAi_ and @grok for helping bring my vision to reality. We are very, very close. ***US Marines on a mission to launch the flying wing to
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@gro_tsen
Gro-Tsen
2 days
All the US conservatives really need to do is create a “Heritage Foundation Prize for Making America Great Again in Memory of Alfred Nobel” with an extra large gold medal and award it to Donald Trump, and everyone will be happy!
@gro_tsen
Gro-Tsen
2 days
Interesting that the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel managed to weasel itself so successfully into the “Nobel Prize” list that even the official account seems to forgets that there is no more Nobel Prize in Economics than in Mathematics.
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@gro_tsen
Gro-Tsen
2 days
Or, as I pointed out earlier:
@gro_tsen
Gro-Tsen
1 year
Economists are more shrewd tacticians than mathematicians: there was no Nobel prize in economics so they created a “Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel”, which is such a mouthful that everyone just says “Nobel prize in economics”. 

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@gro_tsen
Gro-Tsen
2 days
Interesting that the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel managed to weasel itself so successfully into the “Nobel Prize” list that even the official account seems to forgets that there is no more Nobel Prize in Economics than in Mathematics.
@NobelPrize
The Nobel Prize
3 days
The 2025 laureate in economic sciences Philippe Aghion was born in 1956 in Paris, France. He received his PhD in 1987 from @Harvard University, Cambridge, MA, USA. He is currently a professor at CollĂšge de France and @INSEAD, Paris, France and The London School of Economics and
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@gro_tsen
Gro-Tsen
3 days
I seem to have mislaid my Bow of burning gold, my Arrows of desire, my Spear and my Chariot of fire. If you find them, please bring them to me ASAP.
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@gro_tsen
Gro-Tsen
3 days
J'ai trouvĂ© Ă©tonnamment intĂ©ressante la sĂ©rie documentaire diffusĂ©e sur Arte “Monaco: La grande histoire d'un micro-Ă©tat” (de FrĂ©dĂ©ric Compain, 3×45min). Alors que je pensais le sujet pas super passionnant a priori.
Tweet card summary image
arte.tv
À Monaco, un habitant sur deux est millionnaire. Mais derriĂšre le faste, le Rocher cache une histoire de rĂ©voltes Ă©touffĂ©es, d’alliances lucratives et d’intrigues politiques. En trois Ă©pisodes, cette...
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@gro_tsen
Gro-Tsen
3 days

 J'espĂšre de mĂȘme que les ministres du nouveau gouvernement đŸ‡«đŸ‡· ont Ă©tĂ© choisis pour leur capacitĂ© Ă  expĂ©dier les affaires courantes.
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@gro_tsen
Gro-Tsen
3 days
Quelqu'un que j'avais croisĂ© dans une association LGBT (il y a ~25 ans) m'avait blaguĂ© qu'il choisissait ses compagnons pour leurs qualitĂ©s comme ex parce qu'ils passeraient certainement beaucoup plus de temps dans l'Ă©tat «ex» que dans l'Ă©tat «copain». 

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@gro_tsen
Gro-Tsen
3 days

 and having a smartphone app to “perform the function of a smartphone” is a bit nondescriptive as to what that app actually does.
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@gro_tsen
Gro-Tsen
3 days
Also this đŸ”œ: a đŸ“± smartphone has so many functions whereas a 📞 telephone receiver has only one. The đŸ“± icon could refer to any or all of the functions of a smartphone, 

@JeanDellass
Jean
4 days
@gro_tsen And the new idea is a complete misinterpretation. The old phone icon was there to convey the meaning of a "call", which a smartphone icon doesn't convey at all, since it's a category defined by the fact that it does more than just make calls.
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@gro_tsen
Gro-Tsen
4 days
Let's also change the letter ‘A’ to a real bull's head because people are too stupid to deal with ideas.
@LeakerApple
AppleLeaker
6 days
I think it's time Apple changed the Phone app icon to a real phone.
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@gro_tsen
Gro-Tsen
4 days
This is from MathOverflow:
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@gro_tsen
Gro-Tsen
4 days
Oh, look, I'm just above Terence Tao (this year) in Meaningless Internet Points! đŸ„ł
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@gro_tsen
Gro-Tsen
4 days
Yesterday, someone said to me: “The definition of ‘leisure’ is what you do with your time and wouldn't want someone else to do in your stead.” I really like this formulation.
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@gro_tsen
Gro-Tsen
4 days

 causing it to enter a special mode which subtly breaks the numeric keypad. (And before running a program like “cat”, zsh sends “␛[?1l” which restores the keypad to a saner mode.) WHY this shit even exists or WHY zsh decides to send it is lost to the mists of time. đŸ€·
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@gro_tsen
Gro-Tsen
4 days
(This is not because of a misconfiguration on my part: I checked with a pristine config.) The reason is some incomprehensibly bizarre shit like only Unix can invent: zsh sends the arcane “␛[?1h” (where ‘␛’ stands for escape, i.e., \033) control sequence to the terminal 

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@gro_tsen
Gro-Tsen
4 days
Under Linux, if I open zsh in an xterm (or gnome-terminal) and press the ‘+’ key of the numeric keypad, instead of entering ‘+’ it rings the bell. đŸ€Š Oddly enough, if I type “cat” and type ‘+’ inside cat, it works fine. The keypad ‘+’ is only broken inside zsh itself. Why? 

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@gro_tsen
Gro-Tsen
4 days
Pour moi c'est ça le truc qui rend les tramways souvent merdiques comme moyens de transport (et encore, celui-lĂ  avec le T11 est sans doute le moins pourri en ÎdF): beaucoup trop d'arrĂȘts, donc beaucoup trop rapprochĂ©s, par rapport Ă  la trĂšs faible capacitĂ© d'accĂ©lĂ©ration.
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@gro_tsen
Gro-Tsen
4 days

 Donc apparemment il accĂ©lĂšre ou freine Ă  0.5m/sÂČ (soit 5% de g). Ou un 0–100km/h en
 1 min. 😬 Ce qui veut aussi dire que: ‣ Chaque arrĂȘt fait perdre 2min en plus du temps de l'arrĂȘt lui-mĂȘme. ‣ S'ils sont sĂ©parĂ©s de <1600m on n'atteint mĂȘme pas la vitesse de croisiĂšre.
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@gro_tsen
Gro-Tsen
4 days
Courbe de vitesse en fonction de la distance relevĂ© tout Ă  l'heure par mon GPS pour un trajet du tram T13 d'Île-de-France entre Camp des Loges et Saint-Cyr. Manifestement il lui faut environ 800m pour accĂ©lĂ©rer ou freiner Ă  vitesse de pointe (100km/h). 

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