Tricki
a repository of mathematical know-how

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Article Created Updatedsort icon
The tensor power trick 10/12/2008 - 00:08 11 years 3 weeks ago
Transform equation to reach a solved pattern 06/07/2009 - 18:42 11 years 1 week ago
Estimating sums 02/04/2009 - 11:55 11 years 1 week ago
Complete the square 29/04/2009 - 17:42 11 years 3 days ago
How to use tensor products and evaluation maps in representation theory 19/04/2009 - 22:27 10 years 50 weeks ago
How to compute the (co)homology of a space 22/04/2009 - 06:47 10 years 30 weeks ago
Lower degree by increasing dimension (or vice-versa) 11/10/2009 - 10:25 10 years 29 weeks ago
Bounding probabilities by expectations 28/03/2009 - 21:53 10 years 29 weeks ago
How to use the Cauchy-Schwarz inequality 23/04/2009 - 02:52 10 years 29 weeks ago
Numerical solution of nonlinear equations 10/06/2009 - 13:45 10 years 29 weeks ago
Dimension arguments in combinatorics 04/12/2008 - 11:50 10 years 29 weeks ago
Bound your integral by its base times its height 20/04/2009 - 21:58 10 years 29 weeks ago
To prove that a number is irrational, show that it is almost rational 05/05/2009 - 10:44 10 years 27 weeks ago
General problem-solving tips 11/12/2008 - 10:23 10 years 22 weeks ago
Prove a consequence first 21/03/2010 - 06:34 10 years 22 weeks ago
Well known examples and categories of 3-manifolds 17/04/2009 - 21:14 10 years 18 weeks ago
To compute the probability that exactly k of n events occur, use generalized inclusion-exclusion 12/05/2009 - 22:55 10 years 18 weeks ago
To compute probabilities of unions and intersections, use the inclusion-exclusion formula 12/05/2009 - 16:37 10 years 18 weeks ago
Prove that a sequence converges by passing to a subsequence 25/04/2009 - 08:08 10 years 18 weeks ago
Counting by partitioning 20/04/2009 - 00:22 10 years 18 weeks ago
Numerical solution of partial differential equations 21/07/2009 - 21:15 10 years 18 weeks ago
What can a lower bound say about potential proofs of the upper bound? 14/12/2008 - 16:26 10 years 18 weeks ago
Turn sets into functions 14/12/2008 - 11:55 10 years 18 weeks ago
Methods for bounding non-oscillatory integrals 23/04/2009 - 17:25 10 years 18 weeks ago
Use integration by parts to exploit cancellation 21/04/2009 - 17:52 10 years 18 weeks ago