Carlo Beenakker

Leiden, The Netherlands

http://ilorentz.org/beenakker

physicist at Leiden University

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Correspondence between eigenvalue distributions of random unitary and random orthogonal matrices

pr.probability random-matrices haar-measure mp.mathematical-physics linear-algebra asked Aug 26, 2012 at 10:42

mathoverflow.net

29 votes

Symbolic integration error

calculus-and-analysis bugs symbolic asked Sep 5, 2014 at 12:06

mathematica.stackexchange.com

29 votes

Why did I learn to write the base of the logarithm differently from the rest of the world?

notation asked Feb 3, 2017 at 12:52

hsm.stackexchange.com

28 votes

Uniquely reconstruct a matrix $M$ from its inverse $M^{-1}$ if $n$ elements of $M^{-1}$ are unknown and $n$ elements of $M$ are given

linear-algebra matrices nonnegative-matrices asked Oct 22, 2021 at 17:03

mathoverflow.net

25 votes

Who is Mrs. Gerber?

soft-question terminology it.information-theory asked Jul 21, 2021 at 19:41

mathoverflow.net

24 votes

Implications of the disproof of the "climb-to-a-prime" conjecture

nt.number-theory prime-numbers asked Jun 9, 2017 at 15:12

mathoverflow.net

18 votes

Ranked voting by a committee when some members cannot vote for a particular candidate because of a conflict of interest

voting-systems asked Sep 6, 2022 at 20:16

politics.stackexchange.com

15 votes

Symbolic sum of Stirling numbers gives wrong answer

bugs symbolic summation asked Oct 9, 2015 at 12:25

mathematica.stackexchange.com

15 votes

Has Nambu's notion of an "eigenoperator" found a place in the mathematical literature?

matrices oa.operator-algebras eigenvalues differential-operators asked Sep 5, 2022 at 21:04

mathoverflow.net

13 votes

Can the Fibonacci condition in OEIS:A337625 be replaced by asking whether the number is a multiple of 5?

prime-numbers oeis fibonacci-numbers asked Jun 29 at 17:48

mathoverflow.net

Top Answers

144

How can a mathematician handle the pressure to discover something new?

mathoverflow.net

114

PhD dissertations that solve an established open problem

mathoverflow.net

114

Are there any serious investigations of whether "mathematicians do their best work when they're young"?

mathoverflow.net

111

Should water at the scale of a cell feel more like tar?

mathoverflow.net

110

"Surprising" examples of Markov chains

mathoverflow.net

What are some noteworthy "mic-drop" moments in math?

mathoverflow.net

The most outrageous (or ridiculous) conjectures in mathematics

mathoverflow.net

Is this differential identity known?

mathoverflow.net

How did "normal" come to mean "perpendicular"?

mathoverflow.net

What’s the etiquette on using diagrams that need color to be understood?

mathoverflow.net

Note rejected from arXiv: what to do next?

mathoverflow.net

Is there any deep philosophy or intuition behind the similarity between $\pi/4$ and $e^{-\gamma}$?

mathoverflow.net

Who is the "young student" André Weil is referring to in his letter from the prison?

mathoverflow.net

Is there a high level reason why the inverse square law of gravitation yields periodic orbits without precession?

mathoverflow.net

Is data science mathematically interesting?

mathoverflow.net

Research-only permanent positions worldwide

mathoverflow.net

Did Hilbert laugh?

mathoverflow.net

J. H. C Whitehead (and his pig)

mathoverflow.net

Do you have a copy of my 1987 letter to Waldhausen?

mathoverflow.net

Why do bees create hexagonal cells ? (Mathematical reasons)

mathoverflow.net

Who started the "-oid" suffix fashion in math?

mathoverflow.net

What are good mathematical models for spider webs?

mathoverflow.net

Whence “homomorphism” and “homomorphic”?

mathoverflow.net

Breakthroughs in mathematics in 2021

mathoverflow.net

How do mathematical developments make their way into the mass media?

mathoverflow.net

Hilbert's Hotel

mathoverflow.net

On critical reviews of Hawking's lecture "Gödel and the end of the universe"

mathoverflow.net

Examples of creative experiments by mathematicians in modern days

mathoverflow.net

Publishing mathematical coincidences

mathoverflow.net

Is a come back to mathematical research possible?

mathoverflow.net