Question

Changing order of summation in a probability generating function

score 118 · Answer 1 · 2026-04-12 10:55:17

118

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Changing order of summation in a probability generating function

Published on 12 Apr 2026 - 10:55

score 3.2k · Answer 2 · 2026-04-24 13:01:04

3.2k

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Chameleons of Three Colors puzzle

Published on 24 Apr 2026 - 13:01

score 171 · Answer 3 · 2026-04-12 13:13:17

171

Views

A silly doubt on the impossibility of surjection $A\to P(A)$?

Published on 12 Apr 2026 - 13:13

score 819 · Answer 4 · 2026-04-17 06:57:08

819

Views

Is the statement "Every primitive recursive function is total" provable in $PA$?

Published on 17 Apr 2026 - 6:57

score 112 · Answer 5 · 2026-04-16 05:43:49

112

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Characteristic polynomials of $AB$ and $BA$

Published on 16 Apr 2026 - 5:43

score 84 · Answer 6 · 2026-04-14 02:21:28

84

Views

Proof that all natural numbers can be compared with each other from Halmos' "Naive Set Theory"

Published on 14 Apr 2026 - 2:21

score 39 · Answer 7 · 2026-04-14 11:20:57

39

Views

Conjugating the Subgroup Generated by $S$

Published on 14 Apr 2026 - 11:20

score 82 · Answer 8 · 2026-04-11 02:06:12

82

Views

Clarification of a proof as written in Margaris's book

Published on 11 Apr 2026 - 2:06

score 530 · Answer 9 · 2026-04-10 18:05:41

530

Views

Prove the continuity of Power Functions

Published on 10 Apr 2026 - 18:05

score 132 · Answer 10 · 2026-04-09 20:06:05

132

Views

How shall I prove the given statement?

Published on 09 Apr 2026 - 20:06

score 5.7k · Answer 11 · 2026-04-16 04:50:54

5.7k

Views

Proving $f(x) = \frac{\sin x}{x}$ converges by improper integral test?

Published on 16 Apr 2026 - 4:50

score 75 · Answer 12 · 2026-04-18 14:27:14

75

Views

Why is $\frac{1}{\log(2x)}=\frac{1}{\log(x)}-\frac{\log 2}{\log^2(x)}+O\left ( \frac{1}{\log^3(x)} \right )$?

Published on 18 Apr 2026 - 14:27

score 222 · Answer 13 · 2026-04-11 08:21:18

222

Views

Discrete Mathematics - Universal Instantiation Question from Prior Exam

Published on 11 Apr 2026 - 8:21

score 240 · Answer 14 · 2026-04-12 02:31:18

240

Views

Determinant of prime cyclotomic field.

Published on 12 Apr 2026 - 2:31

score 90 · Answer 15 · 2026-04-16 02:31:30

90

Views

Proof that $\forall a<b, f(x)=x$ is Riemann integrable on the interval $[a,b]$ and $\int_a^{b} f dx = \frac{1}{2} (b^2 - a^2)$

Published on 16 Apr 2026 - 2:31

List Question

Changing order of summation in a probability generating function

Chameleons of Three Colors puzzle

A silly doubt on the impossibility of surjection $A\to P(A)$?

Is the statement "Every primitive recursive function is total" provable in $PA$?

Characteristic polynomials of $AB$ and $BA$

Proof that all natural numbers can be compared with each other from Halmos' "Naive Set Theory"

Conjugating the Subgroup Generated by $S$

Clarification of a proof as written in Margaris's book

Prove the continuity of Power Functions

How shall I prove the given statement?

Proving $f(x) = \frac{\sin x}{x}$ converges by improper integral test?

Why is $\frac{1}{\log(2x)}=\frac{1}{\log(x)}-\frac{\log 2}{\log^2(x)}+O\left ( \frac{1}{\log^3(x)} \right )$?

Discrete Mathematics - Universal Instantiation Question from Prior Exam

Determinant of prime cyclotomic field.

Proof that $\forall a<b, f(x)=x$ is Riemann integrable on the interval $[a,b]$ and $\int_a^{b} f dx = \frac{1}{2} (b^2 - a^2)$

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