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To prove facts about Borel sets, use closure properties 05/05/2009 - 14:47 12 years 12 weeks ago
To make a function nicer without changing it much, convolve it with an approximate delta function 06/05/2009 - 12:57 12 years 9 weeks ago
Approximation front page 06/05/2009 - 18:39 12 years 14 weeks ago
Polynomial approximation front page 06/05/2009 - 18:42 12 years 14 weeks ago
Approximating functions by better behaved functions 06/05/2009 - 18:48 12 years 9 weeks ago
Interpolation and approximation 07/05/2009 - 12:50 12 years 14 weeks ago
To find the value of a coefficient, do something that kills all the other terms 07/05/2009 - 20:32 12 years 14 weeks ago
Approximating continuous structures by discrete structures 08/05/2009 - 12:31 12 years 14 weeks ago
To simplify a closed subset of the plane, approximate it using a grid of squares 08/05/2009 - 12:46 11 years 2 weeks ago
Establish an invariance principle first 09/05/2009 - 02:59 12 years 14 weeks ago
Use the continuity method 09/05/2009 - 03:02 12 years 14 weeks ago
Use conservation laws and monotonicity formulae to obtain long-time control on solutions 09/05/2009 - 03:18 12 years 14 weeks ago
I want to find a non-trivial solution to a system of equations 09/05/2009 - 18:27 12 years 14 weeks ago
Computational number theory front page 10/05/2009 - 15:40 12 years 13 weeks ago
To establish that n is composite, show that Fermat's little theorem does not hold for n 10/05/2009 - 15:58 12 years 14 weeks ago
To find a factor of n, find some m such that (m,n) is not 1 10/05/2009 - 16:13 12 years 14 weeks ago
To factorize n, find a non-trivial square root of 1 mod n 10/05/2009 - 16:23 12 years 14 weeks ago
To work out powers mod n, use repeated squaring 10/05/2009 - 16:43 12 years 14 weeks ago
Solution of linear equations: direct methods 11/05/2009 - 13:37 12 years 14 weeks ago
LU factorization 11/05/2009 - 13:52 12 years 14 weeks ago
Make your method keep the symmetries of the problem 11/05/2009 - 14:09 12 years 14 weeks ago
Use an approximation as if it were exact 11/05/2009 - 14:25 12 years 14 weeks ago
To compute probabilities of unions and intersections, use the inclusion-exclusion formula 12/05/2009 - 16:37 11 years 16 weeks ago
To find a rational with low denominator near a given real, use continued fractions 12/05/2009 - 22:32 12 years 13 weeks ago
To compute the probability that exactly k of n events occur, use generalized inclusion-exclusion 12/05/2009 - 22:55 11 years 16 weeks ago