User BelwarDissengulp

5 votes

2 answers

396 views

If $x,y∉ℚ$ and $x^2-y^2∈ℚ_{≠0}$ then $x+y,x-y∉ℚ$?

asked Jan 25, 2021 at 6:30

4 votes

1 answer

234 views

Maximum likelihood estimator and asymptotic distribution

asked Dec 22, 2021 at 14:22

3 votes

0 answers

174 views

Markov chains, hitting times and expected number of passages

asked Oct 5, 2021 at 19:36

3 votes

1 answer

640 views

Convergence of sample central moments

asked Jun 28, 2018 at 12:44

2 votes

0 answers

42 views

Convergence in prob. and a.s.: Commonly-used strategies

asked Jul 14, 2018 at 3:43

2 votes

1 answer

90 views

Convergence of random variables: $\sum_{n=1}^{\infty}\mathbb{E}(\lvert X_{n}-X\rvert^{r}) < \infty$ implies $X_n \to X$ almost surely

asked Jun 16, 2018 at 18:01

2 votes

1 answer

917 views

Convergence in distribution to a constant

asked Jun 13, 2018 at 2:30

2 votes

1 answer

54 views

Min. of a sequence of r.v's with Poisson index

asked Jun 13, 2018 at 22:25

2 votes

1 answer

66 views

Almost-sure convergence of a series of log-normal random variables

asked Jan 17, 2022 at 23:56

2 votes

2 answers

79 views

Betting system and upper bounds

asked Jan 22, 2022 at 16:23

2 votes

1 answer

130 views

Checking uniform integrability of random series

asked Jan 28, 2022 at 17:56

2 votes

3 answers

145 views

Leibniz test and $\sum\frac{(-1)^k k^2}{\sqrt{k!}}$

asked Feb 8, 2021 at 6:42

2 votes

3 answers

817 views

Is $x\sin\left(\frac{1}{x}\right)$ uniformly continuous in $\mathbb{R}$? [duplicate]

asked Feb 26, 2021 at 19:55

2 votes

1 answer

200 views

Bounded 2nd derivative and finding a bound for the 1st derivative

asked Feb 26, 2021 at 22:39

1 vote

3 answers

197 views

Vector spaces and Kronecker product

asked Apr 7, 2021 at 14:02

1 vote

0 answers

77 views

Covariance of random variables and non-increasing function [duplicate]

asked Jul 9, 2021 at 17:04

1 vote

1 answer

85 views

Scaled $\epsilon$ in $\epsilon$-$\delta$ proofs

asked Aug 12, 2021 at 17:23

1 vote

1 answer

176 views

$\lim\sup$ and $\lim\inf$ of a sequence of independent random variables with two states

asked Jan 31, 2022 at 12:44

1 vote

0 answers

33 views

Markov kernels and Chapman-Kolmogorov equations

asked Apr 20, 2023 at 2:22

1 vote

0 answers

30 views

Convergence of random series based on iid standard gaussian variables

asked Feb 9, 2022 at 17:42

1 vote

1 answer

82 views

Integral depending on $n$ variables through a norm

asked Oct 31, 2022 at 14:38

1 vote

2 answers

61 views

Convergence in probability of a discrete variable

asked Jun 14, 2018 at 15:49

1 vote

0 answers

30 views

Convergence of the maximum

asked Jun 15, 2018 at 16:51

1 vote

1 answer

40 views

Sequence of Random Variables: Approximation to the probability of an event

asked Feb 18, 2018 at 18:41

1 vote

1 answer

173 views

Constrained Optimization: Lagrange Multipliers

asked Feb 24, 2018 at 22:53

1 vote

1 answer

158 views

Mean value of a strict-sense stationary stochastic process

asked Mar 3, 2018 at 21:24

1 vote

1 answer

149 views

Sum of factorials and perfect squares

asked Mar 21, 2018 at 2:07

1 vote

1 answer

444 views

Gamma fuction of odd numbers divided by 2

asked May 1, 2018 at 22:24

1 vote

0 answers

32 views

Given 2 marginal distributions build a bivariate joint-distribution with certain characteristics

asked May 3, 2018 at 23:12

1 vote

0 answers

55 views

Finding functions of a sample that converge to a desired constant

asked Jun 21, 2018 at 15:43

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55 Questions

If $x,y∉ℚ$ and $x^2-y^2∈ℚ_{≠0}$ then $x+y,x-y∉ℚ$?

Maximum likelihood estimator and asymptotic distribution

Markov chains, hitting times and expected number of passages

Convergence of sample central moments

Convergence in prob. and a.s.: Commonly-used strategies

Convergence of random variables: $\sum_{n=1}^{\infty}\mathbb{E}(\lvert X_{n}-X\rvert^{r}) < \infty$ implies $X_n \to X$ almost surely

Convergence in distribution to a constant

Min. of a sequence of r.v's with Poisson index

Almost-sure convergence of a series of log-normal random variables

Betting system and upper bounds

Checking uniform integrability of random series

Leibniz test and $\sum\frac{(-1)^k k^2}{\sqrt{k!}}$

Is $x\sin\left(\frac{1}{x}\right)$ uniformly continuous in $\mathbb{R}$? [duplicate]

Bounded 2nd derivative and finding a bound for the 1st derivative

Vector spaces and Kronecker product

Covariance of random variables and non-increasing function [duplicate]

Scaled $\epsilon$ in $\epsilon$-$\delta$ proofs

$\lim\sup$ and $\lim\inf$ of a sequence of independent random variables with two states

Markov kernels and Chapman-Kolmogorov equations

Convergence of random series based on iid standard gaussian variables

Integral depending on $n$ variables through a norm

Convergence in probability of a discrete variable

Convergence of the maximum

Sequence of Random Variables: Approximation to the probability of an event

Constrained Optimization: Lagrange Multipliers

Mean value of a strict-sense stationary stochastic process

Sum of factorials and perfect squares

Gamma fuction of odd numbers divided by 2

Given 2 marginal distributions build a bivariate joint-distribution with certain characteristics

Finding functions of a sample that converge to a desired constant