Question

Stationary distribution in relation to irreducible and pos. recurrence

score 31 · Answer 1 · 2022-08-09 09:21:01

31

Views

Stationary distribution in relation to irreducible and pos. recurrence

Published on 09 Aug 2022 - 9:21

score 66 · Answer 2 · 2022-08-14 02:19:48

66

Views

Solution to y+2=y

Published on 14 Aug 2022 - 2:19

score 1.8k · Answer 3 · 2026-03-25 20:11:16

1.8k

Views

Can you prove that proof-by-induction is invalid for the real interval [0, 1]?

Published on 25 Mar 2026 - 20:11

score 492 · Answer 4 · 2022-08-22 04:49:21

492

Views

Intersection of all longest paths is a single common vertex - where did I go wrong

Published on 22 Aug 2022 - 4:49

score 42 · Answer 5 · 2026-03-28 18:17:03

42

Views

Well-orderded set $P$ cannot be order-isomorphic to the set of predessors of $p \in P$

Published on 28 Mar 2026 - 18:17

score 114 · Answer 6 · 2022-09-15 15:40:30

114

Views

Explain what is wrong with the following proof that $1 = 0$.

Published on 15 Sep 2022 - 15:40

score 54 · Answer 7 · 2022-09-17 11:11:11

54

Views

Can you prove a statement with a row of if and only ifs?

Published on 17 Sep 2022 - 11:11

score 211 · Answer 8 · 2026-03-30 17:17:14

211

Views

What's wrong with this proof that every rank-into-rank cardinal is a limit of rank-into-rank cardinals?

Published on 30 Mar 2026 - 17:17

score 142 · Answer 9 · 2022-09-21 17:41:55

142

Views

A (fake) proof that $\limsup\limits_{n\to\infty}\left|\frac{a_{n+1}}{a_n}\right|>1\Rightarrow \sum_{n=m}^{\infty}a_n\ \text{ diverges}$

Published on 21 Sep 2022 - 17:41

score 256 · Answer 10 · 2022-10-08 09:52:29

256

Views

Why is not every bounded function Riemann integrable?

Published on 08 Oct 2022 - 9:52

score 279 · Answer 11 · 2022-10-13 02:10:43

279

Views

What is wrong with this cardinality-based proof of the Cantor–Schröder–Bernstein theorem?

Published on 13 Oct 2022 - 2:10

score 157 · Answer 12 · 2022-10-13 02:25:42

157

Views

Flaw in my proof that $\mathbb Q$ is countable?

Published on 13 Oct 2022 - 2:25

score 92 · Answer 13 · 2022-10-21 16:06:49

92

Views

Why doesn't $\binom{n}{a-b}\binom{n-(a-b)}{b}=\binom{n}{a}$?

Published on 21 Oct 2022 - 16:06

score 125 · Answer 14 · 2022-11-10 11:03:33

125

Views

Why can't repeated differentiation be used to solve polynomials?

Published on 10 Nov 2022 - 11:03

score 46 · Answer 15 · 2022-11-19 10:24:25

46

Views

What is wrong with my argument? (Differentiation of composite function)

Published on 19 Nov 2022 - 10:24

List Question

Stationary distribution in relation to irreducible and pos. recurrence

Solution to y+2=y

Can you prove that proof-by-induction is invalid for the real interval [0, 1]?

Intersection of all longest paths is a single common vertex - where did I go wrong

Well-orderded set $P$ cannot be order-isomorphic to the set of predessors of $p \in P$

Explain what is wrong with the following proof that $1 = 0$.

Can you prove a statement with a row of if and only ifs?

What's wrong with this proof that every rank-into-rank cardinal is a limit of rank-into-rank cardinals?

A (fake) proof that $\limsup\limits_{n\to\infty}\left|\frac{a_{n+1}}{a_n}\right|>1\Rightarrow \sum_{n=m}^{\infty}a_n\ \text{ diverges}$

Why is not every bounded function Riemann integrable?

What is wrong with this cardinality-based proof of the Cantor–Schröder–Bernstein theorem?

Flaw in my proof that $\mathbb Q$ is countable?

Why doesn't $\binom{n}{a-b}\binom{n-(a-b)}{b}=\binom{n}{a}$?

Why can't repeated differentiation be used to solve polynomials?

What is wrong with my argument? (Differentiation of composite function)

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