Skip to main content
esg's user avatar
esg's user avatar
esg's user avatar
esg
  • Member for 10 years, 9 months
  • Last seen this week
24 votes

Binomial again, and again

21 votes
Accepted

Asymptotic expansion of n=1x2n+1n!n

14 votes
Accepted

Integral 101010x21+x22++x2nx1+x2++xndx1dx2dxn=?

11 votes

What's the summation of formal series \sum_{n\geq0}\binom{n\delta}{n}x^n

8 votes

Expected supremum of average?

8 votes
Accepted

The number of ways to merge a permutation with itself

7 votes
Accepted

A sum of two binomial random variables

7 votes

Alternative proofs sought after for a certain identity

7 votes

Comparing two power-series

7 votes
Accepted

Birthday problem with unequal probability: expected number of draws before the m-th collision?

7 votes

Eigenvalues of a matrix with entries involving combinatorics

6 votes

\binom{x}{2}+\binom{x}{4}+\cdots+\binom{x}{2u} is a convex function on [0,+\infty)?

6 votes

A combinatorial identity

6 votes

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

6 votes

Probability of getting exactly one head and k-wise independence

5 votes

Average distance of the mean of n random complex numbers in a unit disc

5 votes
Accepted

Expected number of compositions needed to get constant function

5 votes

(Sharp) inequality for Beta function

5 votes
Accepted

Result attribution for eigenvalues of a matrix of Pascal-type

5 votes

Proof of a combinatorial equation

5 votes
Accepted

Under what conditions does the Mittag-Leffler function {E_{\alpha ,1}}(z),(0 < \alpha < 1) has no real zero?

4 votes

\prod_k(x\pm k) in binomial basis?

4 votes
Accepted

The probability density function of the number of coins to first fill one box of N

4 votes

Showing this formula counts these things

4 votes
Accepted

Moments of a combinatorial ensemble of random variables

4 votes

Quantifying the noninvertibility of a function

4 votes

Expected absolute value of the average of two points from the disc

3 votes
Accepted

Bounding the max-loaded bin using{m \choose k} \|A\|_k^k

3 votes
Accepted

A polynomial identity related to Catalan numbers

3 votes

Grouping lists together in a proportional election: image of a Dirichlet distribution by the D'Hondt method of proportional allotment