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Mathemagician1234
  • Member for 13 years, 2 months
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5 votes
4 answers
15k views

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

0 votes
1 answer
171 views

Cartesian Product-Need some help on a proposed construction

1 vote
4 answers
745 views

Is this proof of the totality of this relation correct?

3 votes
1 answer
783 views

When is a discontinuity of a real valued function removable?

7 votes
1 answer
314 views

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

3 votes
0 answers
209 views

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

20 votes
5 answers
4k views

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

-3 votes
3 answers
297 views

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

22 votes
4 answers
1k views

Out-of-print textbooks that should be reprinted

-3 votes
1 answer
815 views

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

7 votes
2 answers
1k views

The Strong Whitney Embedding Theorem-Any Recommended Sources?