User Maths Rahul - Mathematics Stack Exchange

9 votes

1 answer

853 views

Book similar to Berkeley Problems in Mathematics

asked Oct 29, 2021 at 4:01

5 votes

2 answers

370 views

Counting tetrahedrons inside a dodecahedron

asked Jul 22, 2021 at 7:54

5 votes

2 answers

258 views

Application of character theory to structure of groups

asked May 11, 2022 at 5:04

4 votes

4 answers

651 views

If $f(x)$ is irreducible, is $f(x^k)$ irreducible?

asked May 15, 2022 at 5:10

4 votes

1 answer

143 views

A basic question on correspondence in infinite Galois extension

asked Apr 1, 2022 at 4:35

4 votes

2 answers

569 views

field whose every non-zero element is a root of unity

asked Jul 8, 2021 at 9:05

4 votes

1 answer

238 views

Filtering Non-abelian groups of fixed order in GAP [closed]

asked May 25, 2021 at 9:15

4 votes

1 answer

59 views

Confusion in understanding of Steinitz Exchange Lemma by an example

asked Oct 14, 2021 at 10:55

4 votes

0 answers

148 views

Distinguishing two frieze patterns with symmetry group cyclic

asked Jul 21, 2021 at 14:21

4 votes

1 answer

550 views

Algebraic independence of elementary symmetric polynomials

asked Aug 23, 2021 at 15:57

3 votes

1 answer

477 views

Jacobson radical of a ring and radical of finitely generated $R$-module

asked Aug 26, 2021 at 11:27

3 votes

1 answer

103 views

Solution modulo every $n$ may not imply solution in $\mathbb{Z}$

asked Sep 16, 2021 at 10:07

3 votes

3 answers

399 views

Continuity of $x^2y^2/(x^2+xy+y^2)$ at $(0,0)$

asked Feb 18, 2021 at 8:56

3 votes

2 answers

245 views

A geometric proof for the inequality $\frac{2x}{\pi} \le \sin(x)$

asked Jan 29, 2021 at 5:23

3 votes

1 answer

88 views

Defining rank of a finitely generated free abelian group

asked Jun 11, 2021 at 9:42

3 votes

1 answer

132 views

Method of finding solution of $y'=y+e^x$

asked Jul 29, 2021 at 10:08

3 votes

1 answer

199 views

Computing cyclic decomposition of $\mathbb{R}^3$ w.r.t. a matrix

asked Oct 21, 2021 at 7:01

3 votes

2 answers

360 views

Product of cosets of normal subgroup and well-definedness

asked Nov 30, 2021 at 5:12

3 votes

1 answer

75 views

Confusion in understanding new initial terms of Tor sequence

asked Dec 18, 2021 at 5:26

3 votes

1 answer

86 views

$G$-invariant subspaces of tensor square

asked Aug 16, 2022 at 8:28

3 votes

1 answer

74 views

Ring homomorphism and continuous map on prime sprectum

asked Jul 14, 2023 at 7:26

3 votes

0 answers

61 views

About Frobenius Groups of order 1029

asked Sep 26, 2023 at 8:49

3 votes

1 answer

49 views

Conjugacy classes of normal subgroup in group

asked Jul 4 at 9:04

2 votes

2 answers

136 views

Profinite groups with specific property

asked Apr 24 at 5:48

2 votes

2 answers

131 views

Character values with absolute value $1$ are roots of unity

asked Apr 29 at 10:44

2 votes

1 answer

44 views

Analogues of direct sum and direct product in topology

asked Jan 10 at 6:03

2 votes

1 answer

72 views

Surjectivity in inverse limit

asked Feb 14 at 3:55

2 votes

1 answer

232 views

Representations of $SL(2,3)$

asked Oct 13, 2022 at 9:36

2 votes

0 answers

192 views

Technique(s) to find cyclic vector for a matrix

asked Oct 22, 2021 at 4:42

2 votes

1 answer

61 views

$G$-invariant non-degenerate form

asked Jul 12, 2022 at 4:42

Stack Exchange Network

166 Questions

Book similar to Berkeley Problems in Mathematics

Counting tetrahedrons inside a dodecahedron

Application of character theory to structure of groups

If $f(x)$ is irreducible, is $f(x^k)$ irreducible?

A basic question on correspondence in infinite Galois extension

field whose every non-zero element is a root of unity

Filtering Non-abelian groups of fixed order in GAP [closed]

Confusion in understanding of Steinitz Exchange Lemma by an example

Distinguishing two frieze patterns with symmetry group cyclic

Algebraic independence of elementary symmetric polynomials

Jacobson radical of a ring and radical of finitely generated $R$-module

Solution modulo every $n$ may not imply solution in $\mathbb{Z}$

Continuity of $x^2y^2/(x^2+xy+y^2)$ at $(0,0)$

A geometric proof for the inequality $\frac{2x}{\pi} \le \sin(x)$

Defining rank of a finitely generated free abelian group

Method of finding solution of $y'=y+e^x$

Computing cyclic decomposition of $\mathbb{R}^3$ w.r.t. a matrix

Product of cosets of normal subgroup and well-definedness

Confusion in understanding new initial terms of Tor sequence

$G$-invariant subspaces of tensor square

Ring homomorphism and continuous map on prime sprectum

About Frobenius Groups of order 1029

Conjugacy classes of normal subgroup in group

Profinite groups with specific property

Character values with absolute value $1$ are roots of unity

Analogues of direct sum and direct product in topology

Surjectivity in inverse limit

Representations of $SL(2,3)$

Technique(s) to find cyclic vector for a matrix

$G$-invariant non-degenerate form