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Numerical linear algebra 05/05/2009 - 13:46 4 years 47 weeks ago
To prove facts about Borel sets, use closure properties 05/05/2009 - 14:47 4 years 47 weeks ago
Use Fourier expansion to eliminate nasty cutoffs 02/04/2009 - 11:01 4 years 48 weeks ago
To construct exotic sets, use limiting arguments 15/05/2009 - 14:32 4 years 48 weeks ago
I have a problem about open or closed sets 13/05/2009 - 23:28 4 years 48 weeks ago
To construct exotic functions, use limiting arguments 25/03/2009 - 18:24 4 years 48 weeks ago
Number of elements in cartesian products 19/04/2009 - 23:24 4 years 48 weeks ago
To prove that a set is open or closed, use basic theorems rather than direct arguments 13/05/2009 - 23:48 4 years 48 weeks ago
Bounded functions that behave almost everywhere are Riemann integrable 24/04/2009 - 15:04 4 years 48 weeks ago
To find a rational with low denominator near a given real, use continued fractions 12/05/2009 - 22:32 4 years 48 weeks ago
Computational number theory front page 10/05/2009 - 15:40 4 years 48 weeks ago
Elementary probability front page 28/03/2009 - 04:47 4 years 48 weeks ago
Probability front page 28/03/2009 - 17:08 4 years 48 weeks ago
Use an approximation as if it were exact 11/05/2009 - 14:25 4 years 48 weeks ago
LU factorization 11/05/2009 - 13:52 4 years 48 weeks ago
Numerical analysis front page 04/05/2009 - 17:45 4 years 48 weeks ago
Solution of linear equations: direct methods 11/05/2009 - 13:37 4 years 48 weeks ago
Make your method keep the symmetries of the problem 11/05/2009 - 14:09 4 years 48 weeks ago
To factorize n, find a non-trivial square root of 1 mod n 10/05/2009 - 16:23 4 years 48 weeks ago
To establish that n is composite, show that Fermat's little theorem does not hold for n 10/05/2009 - 15:58 4 years 48 weeks ago
To work out powers mod n, use repeated squaring 10/05/2009 - 16:43 4 years 48 weeks ago
To find a factor of n, find some m such that (m,n) is not 1 10/05/2009 - 16:13 4 years 48 weeks ago
Number theory front page 23/03/2009 - 12:04 4 years 48 weeks ago
How to solve linear equations in one variable 20/04/2009 - 00:16 4 years 49 weeks ago
I want to find a non-trivial solution to a system of equations 09/05/2009 - 18:27 4 years 49 weeks ago