User Dalop

4 votes

1 answer

141 views

Prime and Maximal Ideals of $\mathbb{Z}[x]$ containing $(30,x^3+1)$

asked Dec 11, 2022 at 0:35

4 votes

2 answers

184 views

There exists an element in a group whose order is at most the number of conjugacy classes

asked Apr 30, 2023 at 21:51

3 votes

1 answer

77 views

Show this set has measure zero

asked Jul 5, 2023 at 18:19

3 votes

2 answers

217 views

Non-polynomial entire function with finitely many zeros tends to zero on circles

asked Oct 30, 2023 at 14:01

3 votes

0 answers

32 views

Simultaneous conjugacy to integer matrices

asked Mar 22 at 1:41

3 votes

1 answer

138 views

Extending holomorphic function on punctured plane to Riemann sphere

asked Mar 7, 2023 at 21:13

3 votes

0 answers

118 views

Intermediate Fields of $\mathbb{Q}(\zeta_{16})$ and Corresponding Splitting Polynomials

asked Mar 21, 2023 at 5:22

3 votes

3 answers

376 views

Cauchy Sequences of rationals where none of the rationals are integers.

asked Dec 22, 2019 at 20:04

3 votes

2 answers

310 views

Cauchy's Proof that every Cauchy sequence has a limit is "bogus"

asked Dec 24, 2019 at 23:38

2 votes

0 answers

37 views

Showing every neighborhood intersects given set

asked Dec 5, 2022 at 18:57

2 votes

1 answer

99 views

Show the ring given by adjoining n-th roots to integers is not Noetherian

asked Oct 16, 2022 at 18:28

2 votes

1 answer

70 views

Number of orthonormal vectors is finite without Bessel's inequality

asked Dec 9, 2022 at 21:09

2 votes

1 answer

54 views

Showing there exists ray that splits Borel set in half

asked Jan 5 at 21:18

2 votes

1 answer

44 views

Proving a Weaker Version of Maximum Modulus Principle

asked Sep 2, 2023 at 16:44

2 votes

1 answer

92 views

Groups containing an infinite cyclic subgroup of index 2

asked Jun 21, 2023 at 18:30

2 votes

1 answer

56 views

When does $\sigma$-finiteness come in?

asked Jul 5, 2023 at 16:45

1 vote

1 answer

98 views

Metric Derived From Differential on Hyperbolic Plane

asked Jan 10, 2023 at 21:22

1 vote

1 answer

64 views

Negative identity matrix is not a single commutator

asked Oct 5, 2023 at 13:08

1 vote

1 answer

73 views

Showing any covering map $\mathbb{R}P^2 \rightarrow X$ is a homeomorphism.

asked Mar 10 at 15:31

1 vote

0 answers

74 views

Holomorphic function on bounded domain with $f(0) = 0$ and $|f'(0)| < 1$ has bounded derivative

asked Nov 18, 2023 at 21:07

1 vote

0 answers

136 views

Degree of $F(\alpha, \beta)$ over $F(\alpha + \beta)$

asked Dec 27, 2023 at 23:10

1 vote

1 answer

37 views

Degree of $F(\alpha + \beta)$ over $F$

asked Jan 3 at 20:48

1 vote

1 answer

60 views

Find sequence so that linear functional converges

asked Dec 2, 2022 at 19:18

1 vote

0 answers

77 views

Degree 2 Holomorphic Map Between Annuli

asked Mar 22, 2023 at 18:36

1 vote

0 answers

41 views

Maximal Ideals of $\mathbb{C}[x,y]/(x^3-x^2y, xy^2+xy+x+1)$

asked Oct 28, 2022 at 14:54

1 vote

1 answer

141 views

Showing given linear functional on Hilbert Space is not continuous.

asked Nov 3, 2022 at 17:22

1 vote

1 answer

44 views

Showing a set is a Borel set

asked Nov 9, 2022 at 19:03

1 vote

1 answer

177 views

Ultrametric spaces are $0$-hyperbolic

asked May 23, 2022 at 3:03

0 votes

1 answer

104 views

Is $\text{Hom}_R(R \oplus R,R)$ is isomorphic to $R \oplus R$? [duplicate]

asked Dec 9, 2022 at 5:18

0 votes

1 answer

197 views

Using Lebesgue density to show $A-A$ contains a non-trivial interval

asked Nov 10, 2022 at 16:57

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40 Questions

Prime and Maximal Ideals of $\mathbb{Z}[x]$ containing $(30,x^3+1)$

There exists an element in a group whose order is at most the number of conjugacy classes

Show this set has measure zero

Non-polynomial entire function with finitely many zeros tends to zero on circles

Simultaneous conjugacy to integer matrices

Extending holomorphic function on punctured plane to Riemann sphere

Intermediate Fields of $\mathbb{Q}(\zeta_{16})$ and Corresponding Splitting Polynomials

Cauchy Sequences of rationals where none of the rationals are integers.

Cauchy's Proof that every Cauchy sequence has a limit is "bogus"

Showing every neighborhood intersects given set

Show the ring given by adjoining n-th roots to integers is not Noetherian

Number of orthonormal vectors is finite without Bessel's inequality

Showing there exists ray that splits Borel set in half

Proving a Weaker Version of Maximum Modulus Principle

Groups containing an infinite cyclic subgroup of index 2

When does $\sigma$-finiteness come in?

Metric Derived From Differential on Hyperbolic Plane

Negative identity matrix is not a single commutator

Showing any covering map $\mathbb{R}P^2 \rightarrow X$ is a homeomorphism.

Holomorphic function on bounded domain with $f(0) = 0$ and $|f'(0)| < 1$ has bounded derivative

Degree of $F(\alpha, \beta)$ over $F(\alpha + \beta)$

Degree of $F(\alpha + \beta)$ over $F$

Find sequence so that linear functional converges

Degree 2 Holomorphic Map Between Annuli

Maximal Ideals of $\mathbb{C}[x,y]/(x^3-x^2y, xy^2+xy+x+1)$

Showing given linear functional on Hilbert Space is not continuous.

Showing a set is a Borel set

Ultrametric spaces are $0$-hyperbolic

Is $\text{Hom}_R(R \oplus R,R)$ is isomorphic to $R \oplus R$? [duplicate]

Using Lebesgue density to show $A-A$ contains a non-trivial interval