User Adrián Barquero - Mathematics Stack Exchange

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	location	College Station, TX
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visits	member for	2 years, 9 months
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	6,719 reputation	bio	website		visits	member for	2 years, 9 months
21442 badges		location	College Station, TX		seen	25 mins ago

6

22

votes

1

answer

989

views

Cauchy's Integral Formula for Cayley-Hamilton Theorem

2d ago Martin 3,780

1

4

votes

1

answer

318

views

Integral domain with two elements that do not have a gcd

abstract-algebra

may 20 at 20:54 YACP 9,245

137

273

votes

6

answers

60

kviews

Why can you turn clothing right-side-out?

general-topology algebraic-topology

may 20 at 2:36 Double AA 169

1

4

votes

2

answers

77

views

Exercise 2.4 Fulton's Algebraic Curves

algebraic-geometry

may 17 at 19:20 Martin 3,780

10

15

votes

19

answers

7

kviews

Proof for formula for sum of sequence $1+2+3+\ldots+n$?

sequences-and-series algebra-precalculus faq

may 15 at 22:32 Community♦ 1

82

131

votes

9

answers

8

kviews

What's an intuitive way to think about the determinant?

linear-algebra intuition determinant

may 13 at 7:14 MJD 21.1k

1

3

votes

1

answer

44

views

Prove $(2, x)$ is not a free $R$-module.

linear-algebra modules

may 11 at 5:03 Pete L. Clark 44.7k

64

60

votes

6

answers

1

kviews

Best Sets of Lecture Notes and Articles

big-list self-learning learning

may 9 at 21:19 Andrew 1,683

2

3

votes

1

answer

45

views

A proof in Janusz Algebraic Number Field

algebraic-number-theory

may 8 at 19:23 DonAntonio 47.3k

165

266

votes

115

answers

13

kviews

What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)

soft-question recreational-mathematics education big-list teaching

may 6 at 4:59 Jori Mäntysalo 31

18

25

votes

14

answers

3

kviews

What should be in every grad student's library?

big-list reference-request

may 5 at 17:30 TMM 7,156

12

17

votes

4

answers

1

kviews

Motivating Example for Algebraic Geometry/Scheme Theory

algebraic-geometry

may 4 at 16:00 Kevin Lin 1,032

14

25

votes

5

answers

2

kviews

How to pick a thesis advisor?

soft-question education

may 2 at 5:03 Zev Chonoles 54.2k

5

7

votes

1

answer

393

views

Toward “integrals of rational functions along an algebraic curve”

calculus reference-request riemann-surfaces

apr 30 at 20:56 Matt E 58.2k

1

2

votes

1

answer

39

views

Number of intersection multiplicity points .

algebraic-curves

apr 30 at 14:46 Nils Matthes 1,083

6

27

votes

6

answers

581

views

Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable?

algebra-precalculus number-theory elementary-number-theory diophantine-equations

apr 30 at 10:31 Américo Tavares 20.7k

3

6

votes

1

answer

59

views

Showing that a ring is Noetherian

commutative-algebra modules

apr 28 at 3:12 Martin Brandenburg 23.1k

1

6

votes

2

answers

90

views

Principal maximal ideals in coordinate ring of an elliptic curve

reference-request algebraic-geometry

apr 28 at 0:00 Martin Brandenburg 23.1k

7

18

votes

6

answers

1

kviews

Quotient ring of Gaussian integers

abstract-algebra ring-theory

apr 27 at 14:06 YACP 9,245

2

6

votes

2

answers

337

views

$\mathbb{Q}[x,y]/\langle x^2+y^2-1 \rangle$ is an integral domain

abstract-algebra commutative-algebra ring-theory

apr 26 at 15:24 Community♦ 1

5

11

votes

3

answers

931

views

What are the units of cyclotomic integers?

number-theory abstract-algebra algebraic-number-theory

apr 25 at 19:25 YACP 9,245

4

10

votes

4

answers

252

views

How to show that $\sum_{n=1}^{\infty} \frac{1}{(2n+1)(2n+2)(2n+3)}=\ln(2)-1/2$?

real-analysis sequences-and-series

apr 21 at 10:45 robjohn♦ 60.1k

1

4

votes

2

answers

535

views

How do I factorize polynomial over Galois field?

abstract-algebra field-theory

apr 19 at 17:03 Stahl 3,627

40

68

votes

5

answers

3

kviews

In (relatively) simple words: What is an inverse limit?

category-theory intuition universal-algebra

mar 29 at 8:55 Pieter Cuijpers 31

26

62

votes

7

answers

5

kviews

Tablet for reading textbooks and writing math by hand?

soft-question math-software learning hardware

mar 28 at 16:04 hhh 1,500

1

3

votes

2

answers

164

views

Relationship between torsion modules and topology

soft-question terminology intuition general-topology modules

mar 27 at 10:51 azimut 5,608

6

8

votes

7

answers

858

views

Can this standard calculus result be explained “intuitively”

calculus intuition teaching

mar 27 at 10:51 azimut 5,608

34

36

votes

14

answers

5

kviews

Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?

analysis complex-analysis

mar 12 at 13:08 xpaul 1,056

7

9

votes

5

answers

699

views

A non-noetherian ring with $\text{Spec}(R)$ noetherian

commutative-algebra

mar 11 at 23:41 Junyan Xu 56

48

80

votes

91

answers

8

kviews

Which one result in maths has surprised you the most?

big-list

mar 8 at 20:38 Arthur Fischer♦ 21.4k

Adrián Barquero

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