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Landon Carter

Washington, United States

I am a student interested in Mathematics and Statistics.

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Top Questions
32 votes

Can you completely permute the elements of a matrix by applying permutation matrices?

linear-algebra matrices permutations asked May 10 '18 at 14:25
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19 votes

Proving the sum of two independent Cauchy Random Variables is Cauchy

probability probability-theory probability-distributions random-variables convolution asked May 3 '15 at 12:35
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18 votes

Show rigorously that the sum of integrals of $f$ and of its inverse is $bf(b)-af(a)$

calculus real-analysis integration definite-integrals asked Jan 22 '15 at 16:26
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12 votes

What are some modern books on Markov Chains with plenty of good exercises?

reference-request stochastic-processes markov-chains book-recommendation asked Feb 9 '16 at 16:38
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9 votes

Show that $f(x) = x$ if $f(f(f(x))) = x$.

functions functional-equations asked Mar 19 '14 at 14:08
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9 votes

If $X_1,X_2$ are independent beta then show $\sqrt{X_1X_2}$ is also beta

self-study random-variable beta-distribution probability-distributions jacobian asked Mar 22 '15 at 18:20
stats.stackexchange.com

9 votes

Sufficiency or Insufficiency

inference point-estimation sufficient-statistics asked Dec 31 '14 at 17:35
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8 votes

Generating Binomial Random Variables with given Correlation

self-study correlation multivariate-analysis binomial simulation asked Apr 16 '15 at 3:23
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8 votes

If $a+b=10^{50}$ then show $10|a$

elementary-number-theory recreational-mathematics decimal-expansion asked Jan 21 '17 at 13:36
math.stackexchange.com

7 votes

How should one prepare for graduate studies in probability?

probability-theory soft-question asked Jun 8 '17 at 17:44
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1 2 3 4

Top Answers
14
Prove that $\sqrt {2^n-1}$ is irrational for every integer $ n>1$
math.stackexchange.com

13
How do I tell if I am able to go to graduate school in math?
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10
Prove that, $f'(0) \ge -\sqrt{2}$ for a function $f$ satisfying some conditions on $(-1,1)$.
math.stackexchange.com

10
Eigenvalue of a linear operator
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10
Sufficiency or Insufficiency
stats.stackexchange.com

8
Prove that $2^k + 1$ is only a perfect square for $k = 3$.
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8
Convergence for $\sum _{n=1}^{\infty }\:\frac{\sqrt{n+1}-\sqrt{n}}{n^a}$
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8
Prove that $N = \frac{(d_1 + d_2 + … + d_n)}{\frac{1}{d_1} + \frac{1}{d_2} + … + \frac{1}{d_n })}$?
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8
Regarding the proof that similar matrices have the same characteristic polynomial
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7
Need Suggestions for beginner who is in transition period from computational calculus to rigorous proofy Analysis
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7
Is My Proof that $\pi^e < e^{\pi}$ Valid?
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6
Proving the sum of two independent Cauchy Random Variables is Cauchy
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6
RMO inequality problem
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5
Why is the random variable $X-Y$ almost sure constant if it is independent of $X$ and $Y$? Is this valid for a general random variable $f(X,Y)$?
math.stackexchange.com

5
Does this series involving sine converge or diverge: $\sum\limits_{k=1}^\infty \frac{1}{k}\cdot \sin\frac{(-1)^k}{1+k^2}$?
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5
pointwise convergent subsequences of $f_n(x)=(-x)^n, x\in [0,1]$
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5
$\Pr[X > 0] \geq \frac{E[X]^2}{E[X^2]}$
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5
What is the maximum likelihood estimate of $p$?
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5
Do the continuously differentiable functions form an integral domain?
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5
How to prove that: $\log_{{1\over 2}}(3) + \log_3\left({1 \over 2}\right) < -2$
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5
$\lim f(x) = L, \lim g(x) = M\implies \lim \max\{f(x),g(x)\} = \max\{L,M\}$
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5
Why is $P(X\in[a,b])=P(X\in[a,b))=P(X\in(a,b])=P(X\in(a,b))$
math.stackexchange.com