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Mathemagician1234
  • Member for 11 years, 8 months
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22 votes
4 answers
1k views

Out-of-print textbooks that should be reprinted

20 votes
5 answers
4k views

What's wrong with this proof of the infinity of primes?

7 votes
2 answers
1k views

The Strong Whitney Embedding Theorem-Any Recommended Sources?

7 votes
1 answer
284 views

Can the following triple integral be computed via elementary calculus methods?

5 votes
4 answers
13k views

Is the identity matrix the only matrix which is its own inverse?

3 votes
1 answer
761 views

When is a discontinuity of a real valued function removable?

3 votes
0 answers
179 views

Is there an infinite graph that corresponds to a group which has precisely all finite groups as subgroups?

1 vote
4 answers
637 views

Is this proof of the totality of this relation correct?

0 votes
1 answer
135 views

Cartesian Product-Need some help on a proposed construction

-4 votes
1 answer
803 views

Simple Construction of a Uniformly Continuous Real Valued Function With No Derivative Anywhere In The Domain?

-4 votes
3 answers
281 views

Group theoretic confusion on different group structures induced on the real line by ordinary multiplication and division