Question

solution verification for a proof of "the magic diagram"

score 105 · Answer 1 · 2026-04-12 11:15:13

105

Views

solution verification for a proof of "the magic diagram"

Published on 12 Apr 2026 - 11:15

score 151 · Answer 2 · 2026-04-17 03:13:34

151

Views

Why does the equality $\langle x\rangle=\{x^{-1},1,x\}$ not generally hold?

Published on 17 Apr 2026 - 3:13

score 94 · Answer 3 · 2026-04-17 11:52:32

94

Views

Determine sum of all complex solutions of $x^3+3=0, \ x^4+4=0, \ x^5+5=0$

Published on 17 Apr 2026 - 11:52

score 76 · Answer 4 · 2026-04-09 09:17:25

76

Views

Proof Verification: Compact Hausdorff Implies Normal

Published on 09 Apr 2026 - 9:17

score 63 · Answer 5 · 2026-04-24 23:10:19

63

Views

Chords formed by intersecting lines through tangent circles

Published on 24 Apr 2026 - 23:10

score 61 · Answer 6 · 2026-04-13 13:35:05

61

Views

Reconstructing polynomial differential equation from its solution

Published on 13 Apr 2026 - 13:35

score 36 · Answer 7 · 2026-04-16 12:01:42

36

Views

Triple integral over the body $Q$ between two spheres

Published on 16 Apr 2026 - 12:01

score 92 · Answer 8 · 2026-04-14 09:20:50

92

Views

proof that $ \lim_{x \to \infty} \frac{f(x)}{g(x)} = 1 $ is an equivalence relation

Published on 14 Apr 2026 - 9:20

score 74 · Answer 9 · 2026-04-15 18:00:43

74

Views

An example of $(x_{n})$ such that one of $\prod(1+x_{n})$ or $\sum x_{n}$ is convergent the other is not

Published on 15 Apr 2026 - 18:00

score 375 · Answer 10 · 2026-04-17 08:48:47

375

Views

Let f:(X, $d_X$) → (Y, $d_Y$). Show f continuous if and only if ∀x ∈ X and ∀ε > 0, exists δ > 0 such that ∀y ∈ X, dX(x , y) < δ ⇒ dY(f(x), f(y)) < ε

Published on 17 Apr 2026 - 8:48

score 85 · Answer 11 · 2026-04-14 01:18:35

85

Views

Proof Verification: $c \mid ab$ implies $c \mid a$ or $c \mid b$, for $c$ prime

Published on 14 Apr 2026 - 1:18

score 219 · Answer 12 · 2026-04-15 22:04:44

219

Views

Prove that a cyclic group $(G,\cdot)$ has order $n$ with $n\in\omega_+$ iff for any $x\in G$ s.t. $G=\langle x\rangle$ the equality $x^n=1$ holds.

Published on 15 Apr 2026 - 22:04

score 30 · Answer 13 · 2026-04-14 22:43:42

30

Views

Proof verification - Rudin 3.19 if $s_n ≤ t_n$ then upper limit of $s_n$ is inferior than upper limit of $t_n$

Published on 14 Apr 2026 - 22:43

score 115 · Answer 14 · 2026-04-13 18:12:19

115

Views

Triple integral - volume of the intersection of two balls

Published on 13 Apr 2026 - 18:12

score 51 · Answer 15 · 2026-04-11 20:18:34

51

Views

Vielbein is bijective with Curvature? (proof verification)

Published on 11 Apr 2026 - 20:18

List Question

solution verification for a proof of "the magic diagram"

Why does the equality $\langle x\rangle=\{x^{-1},1,x\}$ not generally hold?

Determine sum of all complex solutions of $x^3+3=0, \ x^4+4=0, \ x^5+5=0$

Proof Verification: Compact Hausdorff Implies Normal

Chords formed by intersecting lines through tangent circles

Reconstructing polynomial differential equation from its solution

Triple integral over the body $Q$ between two spheres

proof that $ \lim_{x \to \infty} \frac{f(x)}{g(x)} = 1 $ is an equivalence relation

An example of $(x_{n})$ such that one of $\prod(1+x_{n})$ or $\sum x_{n}$ is convergent the other is not

Let f:(X, $d_X$) → (Y, $d_Y$). Show f continuous if and only if ∀x ∈ X and ∀ε > 0, exists δ > 0 such that ∀y ∈ X, dX(x , y) < δ ⇒ dY(f(x), f(y)) < ε

Proof Verification: $c \mid ab$ implies $c \mid a$ or $c \mid b$, for $c$ prime

Prove that a cyclic group $(G,\cdot)$ has order $n$ with $n\in\omega_+$ iff for any $x\in G$ s.t. $G=\langle x\rangle$ the equality $x^n=1$ holds.

Proof verification - Rudin 3.19 if $s_n ≤ t_n$ then upper limit of $s_n$ is inferior than upper limit of $t_n$

Triple integral - volume of the intersection of two balls

Vielbein is bijective with Curvature? (proof verification)

Trending Questions

Popular # Hahtags

Popular Questions