Question

Compute the fundamental group of $\mathbb{C}^*/\Gamma$, where $\Gamma=\{\varphi^n:\varphi(z)=4^nz,n\in\mathbb{Z}\}$

score 211 · Answer 1 · 2026-04-16 11:12:23

211

Views

Compute the fundamental group of $\mathbb{C}^*/\Gamma$, where $\Gamma=\{\varphi^n:\varphi(z)=4^nz,n\in\mathbb{Z}\}$

Published on 16 Apr 2026 - 11:12

score 96 · Answer 2 · 2026-04-09 00:01:12

96

Views

Finite Product of path-connected spaces

Published on 09 Apr 2026 - 0:01

score 201 · Answer 3 · 2026-04-14 16:29:42

201

Views

Given that $x = 5\sin(3t), t\ge 0$: Find the maximum value of $x$ and the smallest value of $t$ for which it occurs.

Published on 14 Apr 2026 - 16:29

score 164 · Answer 4 · 2026-03-25 12:54:06

164

Views

Proof of inequality by Muirhead

Published on 25 Mar 2026 - 12:54

score 86 · Answer 5 · 2026-04-12 03:02:08

86

Views

calculating coefficients of generating functions.

Published on 12 Apr 2026 - 3:02

score 81 · Answer 6 · 2026-04-30 01:10:12

81

Views

Flaw in a proof of uniqueness of products in a category?

Published on 30 Apr 2026 - 1:10

score 52 · Answer 7 · 2026-04-14 12:30:19

52

Views

Limit of Product exists if the limit of the function decays to zero

Published on 14 Apr 2026 - 12:30

score 74 · Answer 8 · 2026-04-09 08:35:56

74

Views

Is it possible to get the true generating function of a PRNG?

Published on 09 Apr 2026 - 8:35

score 138 · Answer 9 · 2026-04-17 04:03:51

138

Views

Suppose $A$ and $B$ are sets. Prove that $A\setminus(A\setminus B)=A\cap B$.

Published on 17 Apr 2026 - 4:03

score 195 · Answer 10 · 2026-04-09 11:23:20

195

Views

Proving $\sqrt{x^2-xz+z^2} + \sqrt{y^2-yz+z^2} \geq \sqrt{x^2+xy+y^2}$ algebraically

Published on 09 Apr 2026 - 11:23

score 153 · Answer 11 · 2026-04-13 20:07:06

153

Views

Prove that if $A\Delta B\subseteq A$ then $B\subseteq A$.

Published on 13 Apr 2026 - 20:07

score 331 · Answer 12 · 2026-04-11 11:45:46

331

Views

Proof verification: Baby Rudin Chapter 5 Exercise 11

Published on 11 Apr 2026 - 11:45

score 145 · Answer 13 · 2026-04-14 16:44:45

145

Views

How to find $\int_0 ^ \frac{\pi}{2} \frac{\cot x}{\cot x + \csc x}\,dx \,$?

Published on 14 Apr 2026 - 16:44

score 236 · Answer 14 · 2026-04-15 07:00:17

236

Views

Same probability question, understood the sequential approach but not the counting approach

Published on 15 Apr 2026 - 7:00

score 113 · Answer 15 · 2026-04-11 23:14:34

113

Views

'Fake' identity regarding the closure in the subspace topology

Published on 11 Apr 2026 - 23:14

List Question

Compute the fundamental group of $\mathbb{C}^*/\Gamma$, where $\Gamma=\{\varphi^n:\varphi(z)=4^nz,n\in\mathbb{Z}\}$

Finite Product of path-connected spaces

Given that $x = 5\sin(3t), t\ge 0$: Find the maximum value of $x$ and the smallest value of $t$ for which it occurs.

Proof of inequality by Muirhead

calculating coefficients of generating functions.

Flaw in a proof of uniqueness of products in a category?

Limit of Product exists if the limit of the function decays to zero

Is it possible to get the true generating function of a PRNG?

Suppose $A$ and $B$ are sets. Prove that $A\setminus(A\setminus B)=A\cap B$.

Proving $\sqrt{x^2-xz+z^2} + \sqrt{y^2-yz+z^2} \geq \sqrt{x^2+xy+y^2}$ algebraically

Prove that if $A\Delta B\subseteq A$ then $B\subseteq A$.

Proof verification: Baby Rudin Chapter 5 Exercise 11

How to find $\int_0 ^ \frac{\pi}{2} \frac{\cot x}{\cot x + \csc x}\,dx \,$?

Same probability question, understood the sequential approach but not the counting approach

'Fake' identity regarding the closure in the subspace topology

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