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To establish that n is composite, show that Fermat's little theorem does not hold for n
10/05/2009 - 15:58
11 years 20 weeks
ago
To work out powers mod n, use repeated squaring
10/05/2009 - 16:43
11 years 20 weeks
ago
To find a factor of n, find some m such that (m,n) is not 1
10/05/2009 - 16:13
11 years 20 weeks
ago
Number theory front page
23/03/2009 - 12:04
11 years 20 weeks
ago
How to solve linear equations in one variable
20/04/2009 - 00:16
11 years 20 weeks
ago
I want to find a non-trivial solution to a system of equations
09/05/2009 - 18:27
11 years 20 weeks
ago
To show that a group element is non-trivial, show that it has a non-trivial action or image
30/04/2009 - 19:31
11 years 20 weeks
ago
Creating real numbers using limiting arguments
18/04/2009 - 20:18
11 years 20 weeks
ago
Just-do-it proofs
03/12/2008 - 23:53
11 years 20 weeks
ago
Approximating continuous structures by discrete structures
08/05/2009 - 12:31
11 years 20 weeks
ago
Use the implicit function theorem to prove smoothness
24/04/2009 - 23:43
11 years 20 weeks
ago
To prove convergence, find a rapidly converging subsequence
25/04/2009 - 17:06
11 years 20 weeks
ago
If your topological invariant takes integer values, they may well be homology classes in disguise
02/05/2009 - 09:25
11 years 20 weeks
ago
To find the value of a coefficient, do something that kills all the other terms
07/05/2009 - 20:32
11 years 20 weeks
ago
Create an epsilon of room
16/04/2009 - 18:38
11 years 20 weeks
ago
Use conservation laws and monotonicity formulae to obtain long-time control on solutions
09/05/2009 - 03:18
11 years 20 weeks
ago
Do an extreme case first
25/04/2009 - 03:52
11 years 20 weeks
ago
Prove the result for some cases and deduce it for the rest
31/03/2009 - 10:56
11 years 20 weeks
ago
Use the continuity method
09/05/2009 - 03:02
11 years 20 weeks
ago
Establish an invariance principle first
09/05/2009 - 02:59
11 years 20 weeks
ago
Convergent subsequences and diagonalization
15/04/2009 - 01:04
11 years 20 weeks
ago
Use an appropriate series expansion
24/04/2009 - 15:57
11 years 20 weeks
ago
Complex analysis front page
01/05/2009 - 12:57
11 years 20 weeks
ago
Divide and conquer
20/04/2009 - 23:11
11 years 20 weeks
ago
Front pages for different areas of mathematics
11/12/2008 - 01:14
11 years 20 weeks
ago
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