User Hasan Heydari

12 votes

3 answers

19k views

Approximation of a summation by an integral

asked Jan 26, 2017 at 5:52

5 votes

1 answer

791 views

Why a random minimum spanning tree is not an uniform spanning tree?

asked Jan 23, 2017 at 8:03

4 votes

0 answers

224 views

What is the expected length of the diameter of a special random graph?

asked Feb 4, 2018 at 16:09

3 votes

3 answers

68 views

Solve a system of equation

asked Feb 19, 2018 at 4:11

3 votes

2 answers

305 views

$P(E_{1}\cap E_{2}\cap ... \cap E_{n})\leq \Pi_{i=1}^{n}P(E_{i})$?

asked Dec 28, 2017 at 7:59

3 votes

1 answer

98 views

An Issue about Riemann Integral

asked May 13, 2018 at 6:08

2 votes

1 answer

48 views

Finding the value of a sum using Riemann sum theorem

asked Jun 9, 2018 at 15:40

1 vote

1 answer

85 views

Show $x+y, xy \in \mathbb{Q}$

asked Oct 2, 2017 at 12:45

1 vote

0 answers

37 views

Calculating a limit involving roots and logarithms

asked Nov 12, 2017 at 12:21

1 vote

0 answers

63 views

Are all random variables have the same distribution?

asked Jan 29, 2017 at 6:53

1 vote

0 answers

147 views

How long take a random walk traverse the diameter of a random graph?

asked Feb 25, 2017 at 6:27

1 vote

3 answers

83 views

$\int_{a}^{b}f(x)^2dx ?= \big(\int_{a}^{b}f(x)dx\big)^2$

asked Apr 30, 2017 at 0:59

1 vote

0 answers

125 views

What is the length of the longest strictly increasing sub-sequence of $n$ random numbers $\in R$?

asked Jan 15, 2018 at 16:22

1 vote

1 answer

142 views

Are these events, which are defined on a random graph, independent?

asked Feb 5, 2018 at 16:02

0 votes

1 answer

44 views

How to calculate a probability from expectation?

asked Feb 7, 2018 at 6:19

0 votes

1 answer

314 views

Probability of having a path of a given length in a random graph?

asked Feb 8, 2018 at 19:47

0 votes

3 answers

84 views

Proof $\sqrt[3]{a-b} + \sqrt[3]{b-c} + \sqrt[3]{c-a} \neq 0$

asked Feb 13, 2018 at 18:45

0 votes

1 answer

33 views

A relationship about normal distribution [closed]

asked Apr 16, 2018 at 5:58

0 votes

0 answers

33 views

Random Ranks Problem

asked Aug 5, 2017 at 4:51

0 votes

1 answer

183 views

What is the expectation of the number of particles after $n$ time steps?

asked Aug 10, 2017 at 15:11

0 votes

0 answers

24 views

Suggest a function $f(n)$ such that $\log{n}\times \log^{*}{n} > f(n) > c \times \log{n}$

asked Jan 8, 2018 at 9:44

0 votes

1 answer

42 views

Finding the answer of a summation

asked Jun 29, 2018 at 20:29

0 votes

4 answers

135 views

Is the power set of $\{ \varnothing \}$ equal to $\{ \varnothing \}$?

asked Oct 12, 2018 at 13:31

0 votes

1 answer

77 views

Is there any difference between these two solutions for finding generating function?

asked Oct 31, 2018 at 9:04

0 votes

1 answer

169 views

Why should two equal power series have identical coefficients?

asked Nov 13, 2018 at 7:37

0 votes

0 answers

42 views

What is the expected number of steps that a random walker needs to reach a place with high probability in a 2D lattice?

asked Apr 4, 2019 at 10:19

0 votes

1 answer

36 views

Finding the probability distribtion of some values

asked Aug 19, 2019 at 14:09

0 votes

2 answers

66 views

A question related to limit and summation

asked Aug 19, 2019 at 16:51

0 votes

0 answers

66 views

Logarithmic Recursive function

asked Feb 1 at 18:40

0 votes

0 answers

43 views

Converging in probability to Poisson branching process

asked Jul 12 at 16:31

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33 Questions

Approximation of a summation by an integral

Why a random minimum spanning tree is not an uniform spanning tree?

What is the expected length of the diameter of a special random graph?

Solve a system of equation

$P(E_{1}\cap E_{2}\cap ... \cap E_{n})\leq \Pi_{i=1}^{n}P(E_{i})$?

An Issue about Riemann Integral

Finding the value of a sum using Riemann sum theorem

Show $x+y, xy \in \mathbb{Q}$

Calculating a limit involving roots and logarithms

Are all random variables have the same distribution?

How long take a random walk traverse the diameter of a random graph?

$\int_{a}^{b}f(x)^2dx ?= \big(\int_{a}^{b}f(x)dx\big)^2$

What is the length of the longest strictly increasing sub-sequence of $n$ random numbers $\in R$?

Are these events, which are defined on a random graph, independent?

How to calculate a probability from expectation?

Probability of having a path of a given length in a random graph?

Proof $\sqrt[3]{a-b} + \sqrt[3]{b-c} + \sqrt[3]{c-a} \neq 0$

A relationship about normal distribution [closed]

Random Ranks Problem

What is the expectation of the number of particles after $n$ time steps?

Suggest a function $f(n)$ such that $\log{n}\times \log^{*}{n} > f(n) > c \times \log{n}$

Finding the answer of a summation

Is the power set of $\{ \varnothing \}$ equal to $\{ \varnothing \}$?

Is there any difference between these two solutions for finding generating function?

Why should two equal power series have identical coefficients?

What is the expected number of steps that a random walker needs to reach a place with high probability in a 2D lattice?

Finding the probability distribtion of some values

A question related to limit and summation

Logarithmic Recursive function

Converging in probability to Poisson branching process