Tricki
a repository of mathematical know-how

Articles

Article Created Updatedsort icon
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
Insert constraints into estimates and error terms 02/04/2009 - 20:07 11 years 3 weeks ago
Geometry and topology front page 19/04/2009 - 18:40 11 years 7 weeks ago
Think axiomatically even about concrete objects 26/04/2009 - 13:55 11 years 9 weeks ago
Entropy vs. energy 25/06/2009 - 23:13 11 years 13 weeks ago
Use integration by parts to exploit cancellation 21/04/2009 - 17:52 11 years 16 weeks ago
Methods for bounding non-oscillatory integrals 23/04/2009 - 17:25 11 years 16 weeks ago
Turn sets into functions 14/12/2008 - 11:55 11 years 17 weeks ago
What can a lower bound say about potential proofs of the upper bound? 14/12/2008 - 16:26 11 years 17 weeks ago
Numerical solution of partial differential equations 21/07/2009 - 21:15 11 years 17 weeks ago
Counting by partitioning 20/04/2009 - 00:22 11 years 17 weeks ago
Prove that a sequence converges by passing to a subsequence 25/04/2009 - 08:08 11 years 17 weeks ago
To compute probabilities of unions and intersections, use the inclusion-exclusion formula 12/05/2009 - 16:37 11 years 17 weeks ago
To compute the probability that exactly k of n events occur, use generalized inclusion-exclusion 12/05/2009 - 22:55 11 years 17 weeks ago
Well known examples and categories of 3-manifolds 17/04/2009 - 21:14 11 years 17 weeks ago
Prove a consequence first 21/03/2010 - 06:34 11 years 21 weeks ago
General problem-solving tips 11/12/2008 - 10:23 11 years 21 weeks ago
To prove that a number is irrational, show that it is almost rational 05/05/2009 - 10:44 11 years 25 weeks ago
Bound your integral by its base times its height 20/04/2009 - 21:58 11 years 28 weeks ago
Dimension arguments in combinatorics 04/12/2008 - 11:50 11 years 28 weeks ago
Numerical solution of nonlinear equations 10/06/2009 - 13:45 11 years 28 weeks ago
How to use the Cauchy-Schwarz inequality 23/04/2009 - 02:52 11 years 28 weeks ago
Bounding probabilities by expectations 28/03/2009 - 21:53 11 years 28 weeks ago
Lower degree by increasing dimension (or vice-versa) 11/10/2009 - 10:25 11 years 28 weeks ago
How to compute the (co)homology of a space 22/04/2009 - 06:47 11 years 28 weeks ago