# Questions tagged [mathematicians]

For questions about those who do mathematics.

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### Source of a Quote by M. Stone on Poincaré and Bourbaki

The quote in question is the following: For Bourbaki, Poincaré was the devil incarnate. For students of chaos and fractals, Poincaré is of course God on Earth. The common reference for this quote ...
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### Reference for "A manifold is a topological space which satisfies a long series of axioms."

In On teaching mathematics, Vladimir Igorevich Arnold states "What is a smooth manifold? In a recent American book I read that Poincaré was not acquainted with this (introduced by himself) notion ...
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### Cantor's later life

I saw this on Wikipedia: In June 1917, he entered a sanatorium for the last time and continually wrote to his wife asking to be allowed to go home. Georg Cantor had a fatal heart attack on January 6, ...
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### First example of regularization

Background: I like to think of L'Hospital as one of the earliest authors of least-squares regression. L'Hospital, G. (1696). L'analyse des infiniment petits pour l'intelligence des lignes courbes. I'm ...
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### What book did Maria Gaetana Agnesi write which contained both differential and integral calculus?

Wikipedia says the following about Maria Gaetana Agnesi: She is credited with writing the first book discussing both differential and integral calculus and was a member of the faculty at the ...
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### History of circulant matrices for convolution

Discrete linear convolution $$y[k]=h[n] * x[n]=\sum_{i=-\infty}^{\infty} x[i] h[k-i]$$ can be done with circulant matrices with appropriate zero padding. Is anyone aware of the name of the ...
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### How long have all the mathematicians working in the respective fields known the theory of categories

Vague the question: how long have all the mathematicians working in the respective fields known the theory of categories? More specific questions: Is it true that all modern working algebraic ...
1k views

### What was Richard Courant's saying about mathematical research apart from applications?

I remember reading somewhere (perhaps in The Mathematical Experience) that Richard Courant wrote something to the effect that, without applications to guide the river of mathematical discovery, ...
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### Where can I find Grothendieck's letter of resignation from Bourbaki?

I encountered Grothendieck's resignation letter from Bourbaki along with its English translation not too long ago on the web, but for now it seems it's nowhere to be found. I've scoured through the ...
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### Who is Donald Fisk?

In stochastic calculus, the name Stratonovich appears all over the place. However, even though Donald Fisk supposedly obtained similar results, his name appears nowhere. Who was Donald Fisk? I cannot ...
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### Historicity of Euclid. Looking for the references of Euclid in ancient texts that has survived [duplicate]

The general consensus is that Euclid was a real historical figure. Wikipedia https://en.wikipedia.org/wiki/Euclid concludes on the hypothesis that Euclid was not a real person, "This hypothesis ...
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### Did Egon Pearson have a PhD?

Did the statistician Egon Pearson have a PhD? If not, to what extent did he write a dissertation?
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### Source of L’Hôpital’s 1696 Calculus textbook

A calculus textbook I’m using references a calculus book of L’Hôpital in which he illustrates his rule, which is taught in many calculus classes. Does anyone have a source as a scanned PDF? I’d love ...
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### Magic Squares at the beginning of 20th century

I am doing research on the Ottoman Engineer and Mathematician Aram Margossian (1853-?) (in Turkish sources Margosyan is also used) He published a book, De l’ordonnance des nombres dans les carrés ...
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### What are some famous mathematicians that disappeared?

In physics there is this famous history facts about Ettore Majorana, brilliant student of Enrico Fermi that predicted the neutron and developed the idea of Majorana fermions, that suddenly disappeared....
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### Does Arnold say that Hardy is responsible for Ramanujan's untimely death?

Mathematician Vladimir Arnold in his book Yesterday and Long Ago, Springer (2007) writes: When I resided at Cambridge as a senior fellow of Trinity College, Indian colleagues told me some details ...
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### What monograph on celestial mechanics did Jürgen Moser coauthor the 2nd and considerably expanded English language edition of with Carl Ludwig Siegel?

Comments under the Space SE question How do orbits around Jacobi ellipsoids behave? include: Periodic orbits around a rotating ellipsoid "This paper extends results obtained during the ...
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### Does Anthony Bloch have a kinship with Felix Bloch?

I would like to know whether Anthony Bloch is a descendant of Felix Bloch or not. The Anthony Bloch's page on The Mathematics Genealogy Project only shows his advisory relationships, not kinships. ...
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### XIX century Russian math prodigies who published in Crelle

I recall there being two Russian math prodigies who published a joint paper in the Crelle's journal at the age of 18 or so. I think they lived in the XIX century. What were their names? I can't ...
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### How did Fermat find tangent lines of Folium of Descartes?

The wikipedia article about Folium of Descartes says: Descartes challenged Pierre de Fermat to find the tangent line to the curve at an arbitrary point since Fermat had recently discovered a method ...
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### Why was André Weil in Finland?

E.g. here it says: During the Second World War André Weil was first imprisoned in Finland, accused of spying, then after being returned to France he was put into Rouen prison convicted of being a ...
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