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Vezen BU's user avatar
Vezen BU's user avatar
Vezen BU's user avatar
Vezen BU
  • Member for 3 years, 9 months
  • Last seen this week
8 votes

How to solve this summation problem?

7 votes
Accepted

How to represent $x^n$ as a sum of $P_k:= (x)(x-1)\dots(x-k+1)$?

4 votes
Accepted

Finding information about the combinatorial concepts (arriving from Music Theory)

3 votes

Show that $p^*(n)=n^{-2/3}$ is the threshold function

3 votes
Accepted

Limit Proof (Find Sufficiently Large N)

3 votes
Accepted

Let $a_n$ be the position of the nth $1$in the string $t_n$. Prove that: $a_n = [\frac{1+\sqrt5}{2} . n]$

3 votes
Accepted

Formulating an alternating sum of product combinations

3 votes

Expected number of distinct objects in sampling with replacement

3 votes
Accepted

Permute 1~10 with $x_m+m \leq x_n+n$ for $1\leq m<n \leq 10$

2 votes
Accepted

Supersaturation of $K_{s,t}$ in graphs with many edges

2 votes

Prove $abc+abd+acd+bcd\le\frac{1}{27}+\frac{176abcd}{27}$ for $a+b+c+d=1$

2 votes
Accepted

Inequality on the family of intersecting antichain

2 votes

show this $e^{x_{n}-2n\pi-\frac{\pi}{2}}-\frac{x_{n}}{2}+n\pi>\frac{1}{5},\forall n\in N^{+}$

2 votes

Exercise 2.7.5 of the probabilistic method

2 votes
Accepted

Number of independent elements of an orthogonal matrix

2 votes

Longest Increasing Subsequence Upper Bound

2 votes
Accepted

Maximum number of edges such that $\nu(G) < \frac{n}{2}$

2 votes

Feasibility of Meeting Patterns in Combinatorial Lunch Gatherings

2 votes

Prove that for all $k \in \mathbb{N}^*$, $\mathbb{P}(S \ge k) \le \dfrac{1}{2^n}\left(\dfrac{en}{k}\right)^k$

2 votes

How to check the convergence of $\sqrt[3]{5\sqrt[3]{3\sqrt[3]{5\sqrt[3]{3}}}}\cdots$

2 votes
Accepted

Can't understand expected gain calculation in first price auction

1 vote
Accepted

Uniqueness of complete binary trees

1 vote
Accepted

(Terminology) Name for a subset that has non-empty intersection with every block of a partition?

1 vote
Accepted

Improving a bound on the limit of the expected value of the longest increasing subsequence of length n.

1 vote

Independence among order statistics

1 vote

Conditional probability ranking

1 vote
Accepted

Expected Value of Balls Remaining in a Jar After Random Selection Process with Two Jars

1 vote

How many ways can a probability of intersections be unraveled?

1 vote

coloring the vertices of the following graph with 3 colors

1 vote
Accepted

Probabilistic Method: Almost every random graph contains all graphs on $k$ vertices as induced subgraphs