User Xodarap

35 votes

2 answers

3k views

Rubik’s Cube Not a Group?

asked May 13, 2012 at 0:23

27 votes

2 answers

4k views

Why do we use this definition of "algebraic integer"?

asked Oct 5, 2011 at 15:25

15 votes

3 answers

2k views

Order of some quotient ring of Gaussian integers [duplicate]

asked Jul 20, 2011 at 1:09

14 votes

2 answers

14k views

Proof of the polynomial division algorithm

asked Jul 1, 2011 at 23:25

14 votes

5 answers

9k views

What does it mean to do MLE with a continuous variable

asked Jun 5, 2012 at 1:36

11 votes

3 answers

2k views

$F[x]/(x^2)\cong F[x]/(x^2 - 1)$ if and only if F has characteristic 2

asked Jul 4, 2011 at 4:12

11 votes

1 answer

1k views

Does Newton's method for inverting a series work?

asked Nov 2, 2012 at 23:30

11 votes

4 answers

3k views

What are the generators of $(\mathbb{R},+)$?

asked Apr 8, 2013 at 0:55

11 votes

3 answers

833 views

Reverse Polish notation in (abstract) algebra

asked Sep 18, 2014 at 14:04

10 votes

2 answers

2k views

Are all multiplicative functions additive?

asked Sep 7, 2012 at 15:26

9 votes

1 answer

381 views

How do Mathematicians send email? [closed]

asked Oct 11, 2013 at 11:46

8 votes

2 answers

460 views

Existence of a utility function on the reals

asked Mar 9, 2014 at 14:35

8 votes

3 answers

1k views

Embedding torsion-free abelian groups into $\mathbb Q^n$?

asked Jun 20, 2013 at 13:37

8 votes

3 answers

1k views

Why is "glide symmetry" its own type?

asked Jul 11, 2011 at 2:07

8 votes

3 answers

408 views

"Great Theorems" references

asked Aug 30, 2011 at 2:04

8 votes

2 answers

440 views

Countability of irrationals

asked Aug 20, 2012 at 15:41

7 votes

2 answers

3k views

"Commutative" functions

asked Aug 22, 2012 at 15:39

7 votes

1 answer

694 views

Is there a division algorithm for any Euclidean Domain?

asked Sep 29, 2011 at 15:42

7 votes

2 answers

906 views

RACs can solve the halting problem?

asked Jan 26, 2012 at 15:33

7 votes

3 answers

306 views

A simple question about Galois groups

asked Sep 8, 2011 at 20:25

7 votes

2 answers

708 views

Theoretical basis for overfitting

asked Dec 21, 2010 at 0:45

7 votes

1 answer

1k views

Name of "De Moivre's equation"

asked Dec 8, 2012 at 1:15

6 votes

2 answers

883 views

Cauchy's functional equation for $\mathbb R^n$

asked Aug 24, 2012 at 15:23

6 votes

2 answers

1k views

Faithful representation implies group is cyclic

asked Sep 21, 2012 at 16:01

6 votes

1 answer

282 views

Turning preorders into partial orders

asked Aug 20, 2013 at 12:25

6 votes

1 answer

2k views

What is a subdirect product?

asked Aug 29, 2013 at 16:32

6 votes

1 answer

211 views

Generalization of Cauchy's functional equation

asked Mar 29, 2013 at 13:06

6 votes

3 answers

3k views

Are there (finite) field extensions which aren't Galois?

asked Sep 22, 2011 at 14:24

5 votes

1 answer

173 views

Recursively defined systems are always consistent?

asked Mar 12, 2011 at 2:43

5 votes

1 answer

677 views

Degree of a field extension when compared to the Galois group

asked Sep 22, 2011 at 2:13

Stack Exchange Network

94 Questions

Rubik’s Cube Not a Group?

Why do we use this definition of "algebraic integer"?

Order of some quotient ring of Gaussian integers [duplicate]

Proof of the polynomial division algorithm

What does it mean to do MLE with a continuous variable

$F[x]/(x^2)\cong F[x]/(x^2 - 1)$ if and only if F has characteristic 2

Does Newton's method for inverting a series work?

What are the generators of $(\mathbb{R},+)$?

Reverse Polish notation in (abstract) algebra

Are all multiplicative functions additive?

How do Mathematicians send email? [closed]

Existence of a utility function on the reals

Embedding torsion-free abelian groups into $\mathbb Q^n$?

Why is "glide symmetry" its own type?

"Great Theorems" references

Countability of irrationals

"Commutative" functions

Is there a division algorithm for any Euclidean Domain?

RACs can solve the halting problem?

A simple question about Galois groups

Theoretical basis for overfitting

Name of "De Moivre's equation"

Cauchy's functional equation for $\mathbb R^n$

Faithful representation implies group is cyclic

Turning preorders into partial orders

What is a subdirect product?

Generalization of Cauchy's functional equation

Are there (finite) field extensions which aren't Galois?

Recursively defined systems are always consistent?

Degree of a field extension when compared to the Galois group