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To prove facts about Borel sets, use closure properties 05/05/2009 - 13:47 11 years 36 weeks ago
To make a function nicer without changing it much, convolve it with an approximate delta function 06/05/2009 - 11:57 11 years 33 weeks ago
Approximation front page 06/05/2009 - 17:39 11 years 38 weeks ago
Polynomial approximation front page 06/05/2009 - 17:42 11 years 38 weeks ago
Approximating functions by better behaved functions 06/05/2009 - 17:48 11 years 33 weeks ago
Interpolation and approximation 07/05/2009 - 11:50 11 years 38 weeks ago
To find the value of a coefficient, do something that kills all the other terms 07/05/2009 - 19:32 11 years 37 weeks ago
Approximating continuous structures by discrete structures 08/05/2009 - 11:31 11 years 37 weeks ago
To simplify a closed subset of the plane, approximate it using a grid of squares 08/05/2009 - 11:46 10 years 26 weeks ago
Establish an invariance principle first 09/05/2009 - 01:59 11 years 37 weeks ago
Use the continuity method 09/05/2009 - 02:02 11 years 37 weeks ago
Use conservation laws and monotonicity formulae to obtain long-time control on solutions 09/05/2009 - 02:18 11 years 37 weeks ago
I want to find a non-trivial solution to a system of equations 09/05/2009 - 17:27 11 years 37 weeks ago
Computational number theory front page 10/05/2009 - 14:40 11 years 37 weeks ago
To establish that n is composite, show that Fermat's little theorem does not hold for n 10/05/2009 - 14:58 11 years 37 weeks ago
To find a factor of n, find some m such that (m,n) is not 1 10/05/2009 - 15:13 11 years 37 weeks ago
To factorize n, find a non-trivial square root of 1 mod n 10/05/2009 - 15:23 11 years 37 weeks ago
To work out powers mod n, use repeated squaring 10/05/2009 - 15:43 11 years 37 weeks ago
Solution of linear equations: direct methods 11/05/2009 - 12:37 11 years 37 weeks ago
LU factorization 11/05/2009 - 12:52 11 years 37 weeks ago
Make your method keep the symmetries of the problem 11/05/2009 - 13:09 11 years 37 weeks ago
Use an approximation as if it were exact 11/05/2009 - 13:25 11 years 37 weeks ago
To compute probabilities of unions and intersections, use the inclusion-exclusion formula 12/05/2009 - 15:37 10 years 40 weeks ago
To find a rational with low denominator near a given real, use continued fractions 12/05/2009 - 21:32 11 years 37 weeks ago
To compute the probability that exactly k of n events occur, use generalized inclusion-exclusion 12/05/2009 - 21:55 10 years 40 weeks ago