Mathematics
Meta user
Network profile
1,114
reputation
3
18

FFjet

Mainly interested in analysis and combinatorics.

19
answers
17
questions
~3k
people reached
  • 中国江苏省
  • FFjet
  • skyofwar.net
  • Member for 1 year, 4 months
  • 130 profile views
  • Last seen Feb 3 at 5:41

Communities (11)

Top network posts

Top tags (57)

Score 5
Posts 3
Posts % 8
Score 4
Posts 3
Score 2
Posts 7
Score 2
Posts 6
Score 2
Posts 5
Score 2
Posts 4
View all tags →

Top posts (36) All Questions Answers | Votes Newest

9 Expectation of $\min(a \bmod p,2a\bmod p,…,ka \bmod p)$ Aug 29 '19
9 Asymptotic behavior of number of triples $i,j,k\le n$ with pairwise bounded least common multiples each $\le n$. Sep 8 '19
5 How to solve the recurrence relation $a_{1}=2, a_{n}=\frac{a_{n-1}+2}{2 a_{n-1}+1}(n \geq 2)$ with generating functions? Jun 3 '19
5 If $f(x)=x^3+1$ and $g(x)=\sqrt[3]{x-1}$ then what is the domain of $(f\circ g)(x)$ Sep 5 '19
3 How to derive the EGF of Stirling number of the second kind with the OGF-EGF conversion formula? Aug 28 '19
3 Prove that if analytic function $f$ is such $f(0) \neq 0$, it has no zeroes in a certain disk [duplicate] Sep 13 '19
3 Find the determinant whose result is $(x-n)^{n+1}$ Sep 14 '19
3 Prove $\lim _{N \rightarrow \infty} \frac{1}{N} \sum_{n=1}^{N} z_{n}=0$ Sep 15 '19
2 How to prove $[x^n]C^m(n)=\binom{2n+m-1}{n}-\binom{2n+m-1}{n-1}$ Sep 17 '19
2 Does $\sum_{i=1}^n f(i)\sim n \log n$ and $f$ monotonous increases means $f(n)\sim \log n$? Sep 30 '19
View all questions and answers →

Badges (21)

Gold

—

Silver

3

Rarest

Bronze

18

Rarest

View all badges →