List questions from self-learning

Published on 15 Apr 2026 - 8:24

1.4k

Views

If a continuous function$f: (X, \mathscr T_X) \to (Y, \mathscr T_Y)$ is injective (Given $Y$ is Hausdorff), show that X is hausdorff

Published on 14 Apr 2026 - 19:11

116

Views

Prove convergence of a series little with Direct comparison test

Published on 11 Apr 2026 - 12:37

223

Views

From Engineering-Style to Proper Mathematics

Published on 13 Apr 2026 - 9:56

716

Views

How many different 5 characters words are there with only one letter a?

Published on 13 Apr 2026 - 23:46

2.6k

Views

$\hom(V,W)$ is canonic isomorph to $\hom(W^, V^)$

Published on 15 Apr 2026 - 6:51

5.4k

Views

How many positive integers n can we make with the digits 3, 3, 4, 5, 5, 6, 7, if the number n > 4, 000, 000?

Published on 02 Mar 2014 - 19:01

476

Views

There is no Pythagorean triple in which the hypotenuse and one leg are the legs of another Pythagorean triple.

Published on 14 Apr 2026 - 21:57

160

Views

Map induced by localization on categories

Published on 14 Apr 2026 - 18:31

230

Views

triangle inequality on a given metric

Published on 14 Apr 2026 - 14:35

46

Views

Manipulation of $C^1$ funcitons

Published on 13 Apr 2026 - 23:41

155

Views

to show $\sum_{i=1}^{\infty} |x_i y_i|$ converges

Published on 15 Apr 2026 - 5:35

273

Views

Help proving exercise on sequences in Bartle's Elements

Published on 14 Apr 2026 - 18:23

38

Views

Showing if $H,K$ are subgroups of $G$, the $\varphi(hak)=a^{-1}hak$ is bijective.

Published on 13 Apr 2026 - 18:46

303

Views

Understanding the definition of compactness.

Published on 08 Apr 2026 - 22:08

List Question

Solution Verification: Convergence of Norms $\implies$ Convergence of Sequence

If a continuous function$f: (X, \mathscr T_X) \to (Y, \mathscr T_Y)$ is injective (Given $Y$ is Hausdorff), show that X is hausdorff

Prove convergence of a series little with Direct comparison test

From Engineering-Style to Proper Mathematics

How many different 5 characters words are there with only one letter a?

$\hom(V,W)$ is canonic isomorph to $\hom(W^, V^)$

How many positive integers n can we make with the digits 3, 3, 4, 5, 5, 6, 7, if the number n > 4, 000, 000?

There is no Pythagorean triple in which the hypotenuse and one leg are the legs of another Pythagorean triple.

Map induced by localization on categories

triangle inequality on a given metric

Manipulation of $C^1$ funcitons

to show $\sum_{i=1}^{\infty} |x_i y_i|$ converges

Help proving exercise on sequences in Bartle's Elements

Showing if $H,K$ are subgroups of $G$, the $\varphi(hak)=a^{-1}hak$ is bijective.

Understanding the definition of compactness.

Trending Questions

Popular # Hahtags

Popular Questions