User Ant

25 votes

3 answers

2k views

What's the name of this theorem?

asked Jul 15, 2015 at 9:49

24 votes

1 answer

11k views

Events in the tail $\sigma$-algebra

asked Dec 1, 2014 at 22:42

18 votes

3 answers

5k views

Do moments define distributions?

asked Feb 26, 2015 at 16:24

17 votes

4 answers

654 views

Evaluate $\int_1^\infty \frac {dx}{x^3+1}$

asked Dec 16, 2014 at 13:32

17 votes

2 answers

12k views

Nice book on integrals [duplicate]

asked Jan 8, 2015 at 17:20

14 votes

4 answers

1k views

Can the boy escape the teacher for a regular $n$-gon?

asked Apr 28, 2016 at 13:16

11 votes

1 answer

4k views

Monotone class theorem vs Dynkin $\pi-\lambda$ theorem

asked Mar 17, 2015 at 14:43

11 votes

2 answers

3k views

Probability that $n$ vectors drawn randomly from $\mathbb{R}^n$ are linearly independent

asked Jun 29, 2013 at 16:47

8 votes

2 answers

8k views

When does convergence of function imply convergence of its derivative?

asked Mar 17, 2015 at 17:18

8 votes

2 answers

124 views

For which $n, k$ is $S_{n,k}$ a basis? Fun algebra problem

asked Jan 16, 2015 at 20:08

8 votes

1 answer

1k views

Which inequalities are there with stochastic integration?

asked Feb 9, 2016 at 16:12

7 votes

2 answers

1k views

Are complex differentiable function in a point analytic?

asked May 17, 2015 at 14:05

7 votes

2 answers

249 views

Where are the roots going?

asked Oct 6, 2015 at 15:04

7 votes

1 answer

352 views

Conditional Expectation with elliptical random variables

asked May 3, 2017 at 10:48

5 votes

1 answer

3k views

Maximum of stopping times is not a stopping time

asked Jan 31, 2017 at 10:33

5 votes

1 answer

4k views

What is a pure-jump process?

asked Jan 12, 2016 at 14:15

5 votes

0 answers

196 views

How big are the factors of $2^kp - 1$?

asked Sep 12, 2015 at 14:53

5 votes

1 answer

2k views

Prove Kolmogorov's zero one law using martingales

asked Feb 21, 2015 at 22:37

5 votes

4 answers

7k views

Why is "All horses have the same color" considered a false proof by induction? [duplicate]

asked Mar 9, 2015 at 17:44

5 votes

1 answer

2k views

Does the derivative of a bounded smooth monotone function have a limit at infinity?

asked Mar 15, 2014 at 19:48

5 votes

2 answers

545 views

Proof about AM-GM inequality generalized

asked Jul 10, 2014 at 22:08

5 votes

1 answer

226 views

What is the quickest way to find the characteristic polynomial of this matrix?

asked Oct 17, 2014 at 13:49

4 votes

0 answers

431 views

Sum of poisson random variables

asked Jun 1, 2014 at 18:13

4 votes

1 answer

2k views

Example of non continuous random variable with continuous CDF

asked Jul 23, 2014 at 11:12

4 votes

1 answer

205 views

Will this algorithm stop before time?

asked Sep 11, 2014 at 18:16

4 votes

5 answers

2k views

Approximating the erf function

asked May 4, 2014 at 11:42

4 votes

1 answer

2k views

Understanding angle-preserving definition

asked Apr 15, 2015 at 9:29

4 votes

1 answer

454 views

Which matrices are covariances matrices?

asked May 3, 2015 at 18:55

4 votes

2 answers

228 views

Find the Fourier transform of $u(x) = \frac{x \cos(2x)}{(1+x^2)^2}$

asked Nov 25, 2014 at 11:57

4 votes

1 answer

633 views

Motivation behind Ito integral

asked Oct 1, 2015 at 14:21

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132 Questions

What's the name of this theorem?

Events in the tail $\sigma$-algebra

Do moments define distributions?

Evaluate $\int_1^\infty \frac {dx}{x^3+1}$

Nice book on integrals [duplicate]

Can the boy escape the teacher for a regular $n$-gon?

Monotone class theorem vs Dynkin $\pi-\lambda$ theorem

Probability that $n$ vectors drawn randomly from $\mathbb{R}^n$ are linearly independent

When does convergence of function imply convergence of its derivative?

For which $n, k$ is $S_{n,k}$ a basis? Fun algebra problem

Which inequalities are there with stochastic integration?

Are complex differentiable function in a point analytic?

Where are the roots going?

Conditional Expectation with elliptical random variables

Maximum of stopping times is not a stopping time

What is a pure-jump process?

How big are the factors of $2^kp - 1$?

Prove Kolmogorov's zero one law using martingales

Why is "All horses have the same color" considered a false proof by induction? [duplicate]

Does the derivative of a bounded smooth monotone function have a limit at infinity?

Proof about AM-GM inequality generalized

What is the quickest way to find the characteristic polynomial of this matrix?

Sum of poisson random variables

Example of non continuous random variable with continuous CDF

Will this algorithm stop before time?

Approximating the erf function

Understanding angle-preserving definition

Which matrices are covariances matrices?

Find the Fourier transform of $u(x) = \frac{x \cos(2x)}{(1+x^2)^2}$

Motivation behind Ito integral