User Cam McLeman

168 votes

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Most helpful math resources on the web

answered Mar 8, 2010 at 14:37

45 votes

Have any long-suspected irrational numbers turned out to be rational?

answered Jul 23, 2010 at 4:39

39 votes

Good algebraic number theory books

answered Jan 28, 2010 at 21:47

32 votes

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Can an algebraic number on the unit circle have a conjugate with absolute value different from 1?

answered Sep 14, 2010 at 13:09

31 votes

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Why is $(\mathbb{Z}/3\mathbb{Z})^3$ not a class group of an imaginary quadratic number field ?

answered Jun 5, 2013 at 14:13

29 votes

Would Euler's proofs get published in a modern math Journal, especially considering his treatment of the Infinite?

answered May 12, 2010 at 16:24

24 votes

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Realizing groups as commutator subgroups

answered Jan 13, 2012 at 1:59

21 votes

Is there a ring of integers except for Z, such that every extension of it is ramified?

answered May 31, 2010 at 3:09

20 votes

What does primary mean geometrically?

answered Jan 28, 2010 at 13:02

17 votes

Questions about analogy between Spec Z and 3-manifolds

answered Feb 26, 2010 at 16:01

17 votes

Conceptualizing Weil Pairing for elliptic curves ( and number fields)

answered May 4, 2011 at 6:06

16 votes

number fields with no unramified extensions?

answered Oct 6, 2010 at 2:40

16 votes

Commutative algebra with a view toward algebraic _number theory_

answered Apr 24, 2012 at 16:28

15 votes

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Unramified extensions of number fields

answered Sep 28, 2011 at 9:01

15 votes

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How divisible is the average integer?

answered Jul 24, 2010 at 2:43

14 votes

The middle eigenvalues of an undirected graph

answered Mar 12, 2010 at 15:38

13 votes

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Algorithm for the class field tower problem?

answered Apr 23, 2010 at 6:20

13 votes

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Most squares in the first half-interval

answered May 19, 2010 at 19:17

13 votes

Does $\pi_1(Spec(\mathbb{Z}[1/p]))$ depend on p?

answered Nov 29, 2010 at 2:18

12 votes

Where can I find a modern write-up of Heegner's solution of Gauss' class number 1 problem?

answered Mar 21, 2011 at 2:40

12 votes

Which mathematical ideas have done most to change history?

answered Feb 1, 2010 at 14:57

11 votes

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Maximal extension almost everywhere unramified and totally split at one place

answered May 13, 2010 at 16:51

11 votes

Particular problem solved by solving a more general problem.

answered Apr 13, 2010 at 15:49

11 votes

What out-of-print books would you like to see re-printed?

answered Mar 15, 2010 at 14:47

11 votes

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sums of rational squares

answered Feb 15, 2012 at 20:01

10 votes

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Explicitly describable maximal unramified extension of a number field

answered Mar 10, 2011 at 14:13

10 votes

A coverage question

answered Oct 6, 2010 at 3:14

10 votes

Spencer-Brown's claimed proof of the four color theorem

answered Sep 29, 2010 at 20:29

10 votes

Is a free alternative to MathSciNet possible?

answered Feb 1, 2010 at 4:08

10 votes

Tips on cohomology for number theory

answered Jan 29, 2010 at 23:28

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60 Answers

Most helpful math resources on the web

Have any long-suspected irrational numbers turned out to be rational?

Good algebraic number theory books

Can an algebraic number on the unit circle have a conjugate with absolute value different from 1?

Why is $(\mathbb{Z}/3\mathbb{Z})^3$ not a class group of an imaginary quadratic number field ?

Would Euler's proofs get published in a modern math Journal, especially considering his treatment of the Infinite?

Realizing groups as commutator subgroups

Is there a ring of integers except for Z, such that every extension of it is ramified?

What does primary mean geometrically?

Questions about analogy between Spec Z and 3-manifolds

Conceptualizing Weil Pairing for elliptic curves ( and number fields)

number fields with no unramified extensions?

Commutative algebra with a view toward algebraic _number theory_

Unramified extensions of number fields

How divisible is the average integer?

The middle eigenvalues of an undirected graph

Algorithm for the class field tower problem?

Most squares in the first half-interval

Does $\pi_1(Spec(\mathbb{Z}[1/p]))$ depend on p?

Where can I find a modern write-up of Heegner's solution of Gauss' class number 1 problem?

Which mathematical ideas have done most to change history?

Maximal extension almost everywhere unramified and totally split at one place

Particular problem solved by solving a more general problem.

What out-of-print books would you like to see re-printed?

sums of rational squares

Explicitly describable maximal unramified extension of a number field

A coverage question

Spencer-Brown's claimed proof of the four color theorem

Is a free alternative to MathSciNet possible?

Tips on cohomology for number theory