Question

The sum of i.i.d random variables with minus mean cannot exceed 0 infinitely often?

score 140 · Answer 1 · 2020-03-31 14:39:45

140

Views

The sum of i.i.d random variables with minus mean cannot exceed 0 infinitely often?

Published on 31 Mar 2020 - 14:39

score 55 · Answer 2 · 2020-03-31 16:50:14

55

Views

Transience of random walk on the integers - Sum estimation

Published on 31 Mar 2020 - 16:50

score 833 · Answer 3 · 2020-04-02 21:56:22

833

Views

Expected stopping time for a biased random walk

Published on 02 Apr 2020 - 21:56

score 17 · Answer 4 · 2020-04-04 18:00:33

17

Views

Why is $H_j=-\infty$ almost surely when $E(H_1)\in [-\infty, 0)$

Published on 04 Apr 2020 - 18:00

score 145 · Answer 5 · 2020-04-05 06:20:42

145

Views

Distribution of minimum of first passage time and first return time

Published on 05 Apr 2020 - 6:20

score 63 · Answer 6 · 2026-03-25 22:06:26

63

Views

Estimating a sum of cosines related to random walk on $\mathbb{Z}_{n}^{n}$

Published on 25 Mar 2026 - 22:06

score 308 · Answer 7 · 2020-04-05 23:15:45

308

Views

Symmetric Simple Random Walk Eventually hits Zero

Published on 05 Apr 2020 - 23:15

score 32 · Answer 8 · 2020-04-07 10:22:20

32

Views

Further hint on solving Exercise 3.5 in First Steps in Random Walks by Klafter and Sokolov?

Published on 07 Apr 2020 - 10:22

score 158 · Answer 9 · 2020-04-07 21:50:07

158

Views

Does a simple random walk on $\Bbb Z^2$ admit a stationary distribution?

Published on 07 Apr 2020 - 21:50

score 586 · Answer 10 · 2020-04-08 05:28:04

586

Views

Two ways to prove that Symmetric Simple Random Walk hits zero with Probability $1$

Published on 08 Apr 2020 - 5:28

score 44 · Answer 11 · 2020-04-08 07:43:07

44

Views

How to count paths to find $P(\vert S_k\vert\ne2\text{ for }k=1,2,\dots,2n)$ for Symmetric Simple Random Walk?

Published on 08 Apr 2020 - 7:43

score 122 · Answer 12 · 2026-03-25 17:39:42

122

Views

How to describe the dynamics of this gamble?

Published on 25 Mar 2026 - 17:39

score 105 · Answer 13 · 2026-03-26 20:38:20

105

Views

Simple random walk on Galton Watson trees

Published on 26 Mar 2026 - 20:38

score 89 · Answer 14 · 2020-04-09 00:35:04

89

Views

Are the final position coordinates (X, Y) independent in a simple 2D random walk?

Published on 09 Apr 2020 - 0:35

score 34 · Answer 15 · 2020-04-09 03:43:33

34

Views

What does $\sum_{k=0}^{\infty}\binom{2k+1}{k+1}p^{k+1}q^{k}$ converge to when $p+q=1$ and $0 \leq p,q \leq 1$?

Published on 09 Apr 2020 - 3:43

List Question

The sum of i.i.d random variables with minus mean cannot exceed 0 infinitely often?

Transience of random walk on the integers - Sum estimation

Expected stopping time for a biased random walk

Why is $H_j=-\infty$ almost surely when $E(H_1)\in [-\infty, 0)$

Distribution of minimum of first passage time and first return time

Estimating a sum of cosines related to random walk on $\mathbb{Z}_{n}^{n}$

Symmetric Simple Random Walk Eventually hits Zero

Further hint on solving Exercise 3.5 in First Steps in Random Walks by Klafter and Sokolov?

Does a simple random walk on $\Bbb Z^2$ admit a stationary distribution?

Two ways to prove that Symmetric Simple Random Walk hits zero with Probability $1$

How to count paths to find $P(\vert S_k\vert\ne2\text{ for }k=1,2,\dots,2n)$ for Symmetric Simple Random Walk?

How to describe the dynamics of this gamble?

Simple random walk on Galton Watson trees

Are the final position coordinates (X, Y) independent in a simple 2D random walk?

What does $\sum_{k=0}^{\infty}\binom{2k+1}{k+1}p^{k+1}q^{k}$ converge to when $p+q=1$ and $0 \leq p,q \leq 1$?

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