User RaphaelB4

18 votes

Sets of unit fractions with sum $\leq 1$

answered Sep 14, 2017 at 17:37

13 votes

Eigenvalue perturbation theory via Feynman diagrams

answered Oct 17, 2017 at 16:11

12 votes

Why do bees create hexagonal cells ? (Mathematical reasons)

answered Jun 7, 2020 at 15:29

11 votes

Accepted

What is the fairest order for stage-striking (and is it the Thue-Morse sequence)?

answered Nov 27, 2018 at 17:06

10 votes

Expected value of determinant of simple infinite random matrix

answered Apr 6, 2018 at 16:37

10 votes

Every mathematician has only a few tricks

answered Oct 27, 2020 at 20:05

9 votes

Conceptual explanation for the appearance of entropy in $\frac{d}{dp}\|x\|_p$

answered Jul 19, 2019 at 16:04

8 votes

Annihilating random walkers

answered Feb 5, 2018 at 19:31

7 votes

Coin flipping game

answered Jan 10, 2020 at 17:04

6 votes

Accepted

Random matrix is positive

answered Jan 14, 2020 at 9:14

6 votes

What is the probability distribution of the $k$th largest coordinate chosen over a simplex?

answered Oct 12, 2018 at 14:09

5 votes

Rigorous justification for this formal solution to $f(x+1)+f(x)=g(x)$

answered Jun 27, 2019 at 17:22

4 votes

Large deviations for discrete uniform distribution

answered Jul 24, 2019 at 9:38

4 votes

Accepted

How many roots of polynomial in $\mathbb Z[x]$ and $\mathbb Q[x]$ are integers on average?

answered Jan 22, 2019 at 11:45

4 votes

Interpretation of the action in classical mechanics

answered Apr 16, 2020 at 11:22

4 votes

Randomly picking $k$ members of $\{1,\ldots,n\}$

answered Oct 26, 2018 at 19:31

4 votes

A problem on Gauss--Bonnet formula

answered Nov 14, 2018 at 23:25

4 votes

Accepted

An upper bound for the largest Laplacian eigenvalue of a graph in terms of its diameter

answered Nov 22, 2018 at 10:18

4 votes

Expected determinant of random symmetric matrix with different Gaussian distributions of the diagonal and non-diagonal elements

answered Dec 23, 2018 at 9:40

4 votes

iid random operator and its spectrum

answered May 29, 2018 at 7:32

4 votes

Convexity of spectral radius of Markov operators, Random walks on non-amenable groups

answered Feb 7, 2018 at 12:58

3 votes

Distribution of distances of successive zeros of $f(x)={\rm cos}(x)+{\rm cos}(\alpha x)+{\rm cos}(\beta x)$

answered Apr 25, 2018 at 18:34

3 votes

Accepted

Gaps between roots of consecutive Hermite polynomials

answered May 18, 2018 at 8:02

3 votes

Central limit theorem for weak dependent bernoulli random variables

answered Apr 13, 2018 at 10:15

3 votes

Proving an infinite norm minimization problem has finite support (non-convex p-norms)

answered Jan 15, 2019 at 19:44

3 votes

Accepted

Convex representation of a measure

answered Oct 6, 2018 at 15:54

3 votes

Is there a physical/geometric proof for L^2 boundedness of Bourgain's maximal function along the squares?

answered Jun 12, 2018 at 10:54

3 votes

The mean of a running maximum

answered Feb 19, 2020 at 10:32

3 votes

Request for examples: verifying vs understanding proofs

answered Jun 11, 2020 at 9:50

3 votes

How to solve this stochastic optimization problem?

answered Jun 5, 2020 at 18:24

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87 Answers

Sets of unit fractions with sum $\leq 1$

Eigenvalue perturbation theory via Feynman diagrams

Why do bees create hexagonal cells ? (Mathematical reasons)

What is the fairest order for stage-striking (and is it the Thue-Morse sequence)?

Expected value of determinant of simple infinite random matrix

Every mathematician has only a few tricks

Conceptual explanation for the appearance of entropy in $\frac{d}{dp}\|x\|_p$

Annihilating random walkers

Coin flipping game

Random matrix is positive

What is the probability distribution of the $k$th largest coordinate chosen over a simplex?

Rigorous justification for this formal solution to $f(x+1)+f(x)=g(x)$

Large deviations for discrete uniform distribution

How many roots of polynomial in $\mathbb Z[x]$ and $\mathbb Q[x]$ are integers on average?

Interpretation of the action in classical mechanics

Randomly picking $k$ members of $\{1,\ldots,n\}$

A problem on Gauss--Bonnet formula

An upper bound for the largest Laplacian eigenvalue of a graph in terms of its diameter

Expected determinant of random symmetric matrix with different Gaussian distributions of the diagonal and non-diagonal elements

iid random operator and its spectrum

Convexity of spectral radius of Markov operators, Random walks on non-amenable groups

Distribution of distances of successive zeros of $f(x)={\rm cos}(x)+{\rm cos}(\alpha x)+{\rm cos}(\beta x)$

Gaps between roots of consecutive Hermite polynomials

Central limit theorem for weak dependent bernoulli random variables

Proving an infinite norm minimization problem has finite support (non-convex p-norms)

Convex representation of a measure

Is there a physical/geometric proof for L^2 boundedness of Bourgain's maximal function along the squares?

The mean of a running maximum

Request for examples: verifying vs understanding proofs

How to solve this stochastic optimization problem?