Question

Map from a topological space to the pushout is continuous?

score 89 · Answer 1 · 2026-04-15 07:10:18

89

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Map from a topological space to the pushout is continuous?

Published on 15 Apr 2026 - 7:10

score 22 · Answer 2 · 2026-04-15 23:37:10

22

Views

Finding $Pr(Y_1 > c, Y_2 > c) = 0$ when $Y_1$ and $Y_2$ are sin functions

Published on 15 Apr 2026 - 23:37

score 289 · Answer 3 · 2026-04-14 03:55:01

289

Views

Understanding the proof of $v\in S$ such that $v\in\text{span}(S\setminus \{v\}) \implies S$ is linearly dependent.

Published on 14 Apr 2026 - 3:55

score 184 · Answer 4 · 2026-04-14 03:51:50

184

Views

Basic question about Yoneda's lemma

Published on 14 Apr 2026 - 3:51

score 41 · Answer 5 · 2026-04-15 09:31:45

41

Views

Is there anywhere one may obtain recommended readings from textbooks, similar to a university course?

Published on 15 Apr 2026 - 9:31

score 103 · Answer 6 · 2026-04-16 13:25:57

103

Views

Isomorphism between maximal ideals in Boolean rings and homomorphisms into $\Bbb Z_2$ which are not identically zero

Published on 16 Apr 2026 - 13:25

score 43 · Answer 7 · 2026-04-11 06:45:53

43

Views

Changing the base on a vector given a relationship between bases

Published on 11 Apr 2026 - 6:45

score 63 · Answer 8 · 2026-04-17 11:13:51

63

Views

Study skills for maths in college

Published on 17 Apr 2026 - 11:13

score 225 · Answer 9 · 2026-04-15 15:09:41

225

Views

Is this enough background for Spivak?

Published on 15 Apr 2026 - 15:09

score 287 · Answer 10 · 2026-04-13 18:03:11

287

Views

Multiple simple questions from someone who just started self learning mathematics

Published on 13 Apr 2026 - 18:03

score 1.9k · Answer 11 · 2026-04-12 16:54:34

1.9k

Views

Find E[XY] using the moment generating function of bivariate normal distribution

Published on 12 Apr 2026 - 16:54

score 117 · Answer 12 · 2026-04-11 15:50:22

117

Views

Textbook for first course in linear algebra

Published on 11 Apr 2026 - 15:50

score 997 · Answer 13 · 2026-04-16 00:52:01

997

Views

Given a function $f : A \rightarrow B$ and subsets $W, X \subseteq A$ , prove $f(W \cup X) = f(W) \cup f(X)$ .

Published on 16 Apr 2026 - 0:52

score 43 · Answer 14 · 2026-04-12 09:27:50

43

Views

Maximize $b-\sqrt{x'Qx}$

Published on 12 Apr 2026 - 9:27

score 266 · Answer 15 · 2026-04-09 01:58:14

266

Views

Naive question on the reflection principle - Random walk theory

Published on 09 Apr 2026 - 1:58

List Question

Map from a topological space to the pushout is continuous?

Finding $Pr(Y_1 > c, Y_2 > c) = 0$ when $Y_1$ and $Y_2$ are sin functions

Understanding the proof of $v\in S$ such that $v\in\text{span}(S\setminus \{v\}) \implies S$ is linearly dependent.

Basic question about Yoneda's lemma

Is there anywhere one may obtain recommended readings from textbooks, similar to a university course?

Isomorphism between maximal ideals in Boolean rings and homomorphisms into $\Bbb Z_2$ which are not identically zero

Changing the base on a vector given a relationship between bases

Study skills for maths in college

Is this enough background for Spivak?

Multiple simple questions from someone who just started self learning mathematics

Find E[XY] using the moment generating function of bivariate normal distribution

Textbook for first course in linear algebra

Given a function $f : A \rightarrow B$ and subsets $W, X \subseteq A$ , prove $f(W \cup X) = f(W) \cup f(X)$ .

Maximize $b-\sqrt{x'Qx}$

Naive question on the reflection principle - Random walk theory

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