User Nathan Lowry

3 votes

Countability of set of functions from $\mathbb{Q}$ to $ \left \{0,1 \right \}$ under some conditions

answered Apr 21, 2020 at 16:51

3 votes

Accepted

Rank of a quasicoherent sheaf $\mathscr{F}$

answered Apr 21, 2021 at 20:22

2 votes

Accepted

Pythagorean triples, proof clarification

answered Nov 10, 2022 at 21:36

2 votes

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Local ring principal maximal ideal intersection of powers

answered Mar 24, 2020 at 22:46

1 vote

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Exercise 2.3.1 in Qing Liu's book

answered Apr 6, 2020 at 14:42

1 vote

The form of the characteristic polynomial of matrices with eigenvalues 0 and 1

answered Apr 7, 2020 at 21:11

1 vote

Accepted

The tilde construction of a finitely generated $\Gamma(X,\mathcal{O}_{X})$-module.

answered Apr 20, 2020 at 0:11

1 vote

Can a finite set in $R^n$ be open in the standard topology?

answered Aug 19, 2020 at 1:59

1 vote

Accepted

How to prove convexity of $S=\{ (x_{1},x_{2}):x_{1}^2+x_{2}^2\leq1 \}$

answered Oct 13, 2020 at 21:02

1 vote

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Points of degree $n$ on an elliptic curve

answered Jan 12, 2023 at 3:12

0 votes

rational function of affine algebraic variety that agrees on open subset are equal

answered Jan 18, 2023 at 22:39

0 votes

Why are there only 5 abelian groups of order 48?

answered Nov 29, 2022 at 3:07

0 votes

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Does ${\rm card}({\rm Aut}(\mathbb{Z}_p\times\mathbb{Z}_p ))$ equal to $(p^2 -1)(p^2-p)$? $(p \in \mathbb{P})$

answered Nov 1, 2020 at 19:22

0 votes

Help with the notation of the definition of vector spaces

answered Oct 29, 2020 at 21:33

-1 votes

Clarify about primary ideals in a commutative ring

answered Oct 31, 2020 at 16:42

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15 Answers

Countability of set of functions from $\mathbb{Q}$ to $ \left \{0,1 \right \}$ under some conditions

Rank of a quasicoherent sheaf $\mathscr{F}$

Pythagorean triples, proof clarification

Local ring principal maximal ideal intersection of powers

Exercise 2.3.1 in Qing Liu's book

The form of the characteristic polynomial of matrices with eigenvalues 0 and 1

The tilde construction of a finitely generated $\Gamma(X,\mathcal{O}_{X})$-module.

Can a finite set in $R^n$ be open in the standard topology?

How to prove convexity of $S=\{ (x_{1},x_{2}):x_{1}^2+x_{2}^2\leq1 \}$

Points of degree $n$ on an elliptic curve

rational function of affine algebraic variety that agrees on open subset are equal

Why are there only 5 abelian groups of order 48?

Does ${\rm card}({\rm Aut}(\mathbb{Z}_p\times\mathbb{Z}_p ))$ equal to $(p^2 -1)(p^2-p)$? $(p \in \mathbb{P})$

Help with the notation of the definition of vector spaces

Clarify about primary ideals in a commutative ring