Question

Card game - probability

score 49 · Answer 1 · 2026-03-26 06:02:54

49

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Card game - probability

Published on 26 Mar 2026 - 6:02

score 156 · Answer 2 · 2020-06-07 21:44:54

156

Views

Prove that $-X$ is measurable with respect to some sigma field.

Published on 07 Jun 2020 - 21:44

score 93 · Answer 3 · 2026-03-27 00:00:28

93

Views

Derivative of a vector-valued function devided by its absolute value.

Published on 27 Mar 2026 - 0:00

score 72 · Answer 4 · 2026-03-27 00:05:47

72

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How to define unit principal normal vector $N(t)=\frac{f '(t)\times(f ''(t)\times f '(t))}{||f'(t)||*||f ''(t)\times f '(t)||}$

Published on 27 Mar 2026 - 0:05

score 1.4k · Answer 5 · 2026-03-27 01:47:43

1.4k

Views

Let $\{X_n\}$ be i.i.d $N(0,1)$ random variables. Show that $\limsup_{n\rightarrow\infty} \frac{|X_n|}{\sqrt{\log n}}=\sqrt2$ a.s.

Published on 27 Mar 2026 - 1:47

score 178 · Answer 6 · 2026-03-26 16:05:12

178

Views

How to study Rosen book in discrete mathematics

Published on 26 Mar 2026 - 16:05

score 35 · Answer 7 · 2020-06-11 16:10:04

35

Views

How many digit number combinations fit this criteria?

Published on 11 Jun 2020 - 16:10

score 54 · Answer 8 · 2020-06-13 17:34:06

54

Views

If $(a \in A) \land (b \in B) \implies (a \in B) \land (b \in C)$ is true, then is $a \in A \implies a \in B$ also true?

Published on 13 Jun 2020 - 17:34

score 106 · Answer 9 · 2020-06-15 17:29:04

106

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What can be concluded about the probability: $\mathbb{P}(\sum\limits_{n\ge1}\frac{X_n}{n} \quad\text{converges})$?

Published on 15 Jun 2020 - 17:29

score 53 · Answer 10 · 2026-04-01 07:48:09

53

Views

Question on Martingale

Published on 01 Apr 2026 - 7:48

score 266 · Answer 11 · 2026-03-27 03:44:12

266

Views

Show that if $\phi_{X}(t)=1$ in a neighborhood of $0$, then $X=0$ a.s.

Published on 27 Mar 2026 - 3:44

score 387 · Answer 12 · 2026-03-28 04:35:55

387

Views

Where can I find the errors list/errata of Introduction to algebraic curves by Phillip A. Griffiths?

Published on 28 Mar 2026 - 4:35

score 250 · Answer 13 · 2026-03-27 03:44:27

250

Views

Use Slutsky's theorem to show that: $\sqrt{n}(e^{\frac{S_n}{n}}-e^{\mu}) \xrightarrow{d} \sigma e^{\mu}Z$

Published on 27 Mar 2026 - 3:44

score 233 · Answer 14 · 2026-04-03 04:15:23

233

Views

Ito process and martingale.

Published on 03 Apr 2026 - 4:15

score 79 · Answer 15 · 2026-04-01 07:53:30

79

Views

How to show that a stochastic process $\{Y_n\}$ is an $\{F_n\}$-submartingale.

Published on 01 Apr 2026 - 7:53

List Question

Card game - probability

Prove that $-X$ is measurable with respect to some sigma field.

Derivative of a vector-valued function devided by its absolute value.

How to define unit principal normal vector $N(t)=\frac{f '(t)\times(f ''(t)\times f '(t))}{||f'(t)||*||f ''(t)\times f '(t)||}$

Let $\{X_n\}$ be i.i.d $N(0,1)$ random variables. Show that $\limsup_{n\rightarrow\infty} \frac{|X_n|}{\sqrt{\log n}}=\sqrt2$ a.s.

How to study Rosen book in discrete mathematics

How many digit number combinations fit this criteria?

If $(a \in A) \land (b \in B) \implies (a \in B) \land (b \in C)$ is true, then is $a \in A \implies a \in B$ also true?

What can be concluded about the probability: $\mathbb{P}(\sum\limits_{n\ge1}\frac{X_n}{n} \quad\text{converges})$?

Question on Martingale

Show that if $\phi_{X}(t)=1$ in a neighborhood of $0$, then $X=0$ a.s.

Where can I find the errors list/errata of Introduction to algebraic curves by Phillip A. Griffiths?

Use Slutsky's theorem to show that: $\sqrt{n}(e^{\frac{S_n}{n}}-e^{\mu}) \xrightarrow{d} \sigma e^{\mu}Z$

Ito process and martingale.

How to show that a stochastic process $\{Y_n\}$ is an $\{F_n\}$-submartingale.

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