Vincent

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What are reasons to believe that e is not a period?

ag.algebraic-geometry nt.number-theory differential-equations heuristics periods asked Sep 4, 2014 at 2:31

mathoverflow.net

72 votes

Is this determinant identity known?

linear-algebra combinatorics determinant set-partition asked May 15, 2015 at 22:31

math.stackexchange.com

55 votes

Why did Google not use an NP problem for their quantum supremacy experiment?

complexity-theory quantum-computing asked Oct 28, 2019 at 14:30

cs.stackexchange.com

18 votes

What does function "effects" in R do?

r regression asked Sep 20, 2013 at 11:19

stats.stackexchange.com

17 votes

Short story about computer designed to convince others that they don't have free will

story-identification short-stories asked Aug 19, 2020 at 15:49

scifi.stackexchange.com

16 votes

Monty Hall variation

probability monty-hall asked Apr 9, 2019 at 15:53

puzzling.stackexchange.com

15 votes

Adding points from other dataset to ggplot2

r ggplot2 asked Jun 26, 2015 at 9:15

stackoverflow.com

14 votes

What is the relation between spherical principal series representations of a reductive Liegroup and Verma modules for its Lie algebra?

rt.representation-theory lie-algebras asked Dec 2, 2014 at 2:16

mathoverflow.net

14 votes

Does fitting Cox-model with strata and strata-covariate interaction differ from fitting two Cox models?

survival cox-model stratification asked Jun 3, 2015 at 22:38

stats.stackexchange.com

13 votes

Where does the really nice '8-dimensional' description of the $E_7$ root system come from?

reference-request lie-algebras root-systems asked Apr 3, 2017 at 11:15

mathoverflow.net

Top Answers

104

Three coins are tossed. If one of them shows a tails, what is the probability that all three coins show tails?

math.stackexchange.com

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

mathoverflow.net

Why isn't this a well ordering of $\{A\subseteq\mathbb N\mid A\text{ is infinite}\}$?

math.stackexchange.com

Example of a representation of $U(1)$ with $n>2$

math.stackexchange.com

Taking a theorem as a definition and proving the original definition as a theorem

mathoverflow.net

Name and layperson's explanation for an E8 group diagram.

math.stackexchange.com

Examples of major theorems with very hard proofs that have not dramatically improved over time

mathoverflow.net

Why are hypergeometric series important and do they have a geometric or heuristic motivation?

mathoverflow.net

Are there refuted analogues of the Riemann hypothesis?

mathoverflow.net

17 camels trick

mathoverflow.net

What is the representation of a Lie group intuitively?

math.stackexchange.com

Are all isomorphisms between the Fano plane and its dual of order two?

math.stackexchange.com

! LaTeX Error: Not in outer par mode

tex.stackexchange.com

First Explicit Irreducible Representations

mathoverflow.net

Concise introduction to Beta transformations

mathoverflow.net

Does orthogonality of vectors depend on the chosen basis?

math.stackexchange.com

Misleading expected value

math.stackexchange.com

Can a sum of consecutive $n$th powers ever equal a power of two?

math.stackexchange.com

For which $n$ can the plane with $n$ points removed be equipped with a Lie group structure?

math.stackexchange.com

Beginner's question about representation weights in Lie algebras and their relation to eigenvalues

math.stackexchange.com

Maximal compact subroup is dense in Zariski?

mathoverflow.net

Geodesics on the sphere

mathoverflow.net

A second course in the representation theory

mathoverflow.net

$\mathbb K[s, t]/\langle s-t\rangle\simeq \mathbb K[t]$ as $\mathbb K$-algebras?

math.stackexchange.com

Is the maximum degree of a planar graph 5?

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Adjoint representation of Sl(2,C)

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Probability and expected steps for two ants to meet on cube

math.stackexchange.com

Triangular numbers divisible by $3$

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Matrix representation of a certain algebra

mathoverflow.net

Addition and multiplication are commutative but exponentiation and tetration are not. Do we know why?

mathoverflow.net