Question

Figuring out the value of a normalizing constant

score 30 · Answer 1 · 2020-02-11 06:34:18

30

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Figuring out the value of a normalizing constant

Published on 11 Feb 2020 - 6:34

score 127 · Answer 2 · 2020-02-11 10:32:15

127

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Artin exercise 2.1.5.

Published on 11 Feb 2020 - 10:32

score 192 · Answer 3 · 2020-02-11 14:04:28

192

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(strong) induction proof:$\left(a+\sqrt{b}\right)^n+\left(a-\sqrt{b}\right)^n=2k,a,b,k\in\mathbb N, a>b$

Published on 11 Feb 2020 - 14:04

score 112 · Answer 4 · 2020-02-11 15:57:53

112

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Is it possible to construct a linear transformation T such that...?

Published on 11 Feb 2020 - 15:57

score 93 · Answer 5 · 2026-03-27 09:37:41

93

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Proof involving generating sets of groups

Published on 27 Mar 2026 - 9:37

score 426 · Answer 6 · 2026-03-28 17:25:47

426

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(Proof Verification) Show that the collection of all elementary cylinders is a semi-ring.

Published on 28 Mar 2026 - 17:25

score 148 · Answer 7 · 2026-03-28 18:17:13

148

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Finding: $\gcd\left(2^{200}-2^{100},2^{200}+2^{101}\right)$ and $\gcd\left(3^{202}-3^{101},3^{202}+3^{102}\right)$

Published on 28 Mar 2026 - 18:17

score 29 · Answer 8 · 2026-03-31 07:08:47

29

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Given $(\{1, 3, 5, 15, 25, 33, 55, 99, 165\},\mid)$ find notable elements of $\{5, 15, 25, 33\}$

Published on 31 Mar 2026 - 7:08

score 110 · Answer 9 · 2020-02-11 23:34:37

110

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Calculating $H_n(S^n,S^n\setminus \{x_1, \dots, x_m\})$

Published on 11 Feb 2020 - 23:34

score 126 · Answer 10 · 2026-03-25 20:52:06

126

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Examples of Dense\Not Dense sets

Published on 25 Mar 2026 - 20:52

score 882 · Answer 11 · 2020-02-12 04:21:02

882

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understanding the proof of Sylvester's law of inertia

Published on 12 Feb 2020 - 4:21

score 7.5k · Answer 12 · 2020-02-12 05:19:47

7.5k

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Prove or disprove that the set of even integers forms a group under addition

Published on 12 Feb 2020 - 5:19

score 51 · Answer 13 · 2020-02-12 08:28:36

51

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Artin exercise 2.20

Published on 12 Feb 2020 - 8:28

score 44 · Answer 14 · 2020-02-12 08:39:59

44

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Prove that $X \ge 0 \quad \text{a.s} \iff \forall \Lambda \in \mathcal A: \mathbb E (\mathbf{1}_\Lambda X) \ge 0$

Published on 12 Feb 2020 - 8:39

score 27 · Answer 15 · 2020-02-12 13:38:33

27

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Determine the area of convergence and the sum-function for the power series $\sum_{n \geq 0} n(z-2)^n$

Published on 12 Feb 2020 - 13:38

List Question

Figuring out the value of a normalizing constant

Artin exercise 2.1.5.

(strong) induction proof:$\left(a+\sqrt{b}\right)^n+\left(a-\sqrt{b}\right)^n=2k,a,b,k\in\mathbb N, a>b$

Is it possible to construct a linear transformation T such that...?

Proof involving generating sets of groups

(Proof Verification) Show that the collection of all elementary cylinders is a semi-ring.

Finding: $\gcd\left(2^{200}-2^{100},2^{200}+2^{101}\right)$ and $\gcd\left(3^{202}-3^{101},3^{202}+3^{102}\right)$

Given $(\{1, 3, 5, 15, 25, 33, 55, 99, 165\},\mid)$ find notable elements of $\{5, 15, 25, 33\}$

Calculating $H_n(S^n,S^n\setminus \{x_1, \dots, x_m\})$

Examples of Dense\Not Dense sets

understanding the proof of Sylvester's law of inertia

Prove or disprove that the set of even integers forms a group under addition

Artin exercise 2.20

Prove that $X \ge 0 \quad \text{a.s} \iff \forall \Lambda \in \mathcal A: \mathbb E (\mathbf{1}_\Lambda X) \ge 0$

Determine the area of convergence and the sum-function for the power series $\sum_{n \geq 0} n(z-2)^n$

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