User contributions
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- 14:24, 30 December 2007 (diff | hist) . . (+48) . . 2001 IMO Shortlist Problems (contest problem designations)
- 14:21, 30 December 2007 (diff | hist) . . (+48) . . 1998 IMO Shortlist Problems (contest problem designations) (current)
- 02:17, 30 December 2007 (diff | hist) . . (+3,500) . . N 1999 IMO Problems/Problem 2 (problem and somewhat unattractive smoothing solution)
- 00:23, 30 December 2007 (diff | hist) . . (-14) . . m IMO problems and their authors (undo double redirect) (current)
- 13:30, 29 December 2007 (diff | hist) . . (+1,341) . . N 1998 IMO Shortlist Problems/A1 (problem and solution) (current)
- 13:14, 29 December 2007 (diff | hist) . . (+1,356) . . N 1998 IMO Shortlist Problems (New page: Problems from the 1998 IMO Shortlist. == Geometry == * G1 * G2 * G3 * [...)
- 12:12, 29 December 2007 (diff | hist) . . (+1,825) . . 2006 IMO Shortlist Problems/A4 (whoops, submitted it before I was done the first time) (current)
- 11:46, 29 December 2007 (diff | hist) . . (+812) . . N 2006 IMO Shortlist Problems/A4 (New page: == Problem == Prove the inequality <cmath> \sum_{i<j} \frac{a_ia_j}{a_i+a_j} \le \frac{n}{2(a_1 + a_2 + \dotsb a_n)} \sum_{i<j} a_i a_j </cmath> for positive real numbers <math>a_1, \dots...)
- 11:03, 29 December 2007 (diff | hist) . . (+1) . . m 2001 IMO Shortlist Problems/A3 (typo)
- 10:57, 29 December 2007 (diff | hist) . . (+1,955) . . N 2001 IMO Shortlist Problems/A3 (New page: == Problem == Let <math>x_1, x_2, \dotsc, x_n</math> be arbitrary real numbers. Prove the inequality <cmath> \frac{x_1}{1+x_1^2} + \frac{x_2}{1+x_1^2 + x_2^2} + \dotsb + \frac{x_n}{1+ x_...)
- 10:09, 29 December 2007 (diff | hist) . . (+1,450) . . N 2001 IMO Shortlist Problems (new page)
- 14:59, 28 December 2007 (diff | hist) . . (+1,963) . . N 1999 BMO Problems/Problem 4 (New page: == Problem == Let <math>\{a_n \}_{n\ge 0}</math> be a non-decreasing, unbounded sequence of non-negative integers with <math>a_0=0</math>. Let the number of members of the sequence not e...) (current)
- 14:13, 28 December 2007 (diff | hist) . . (+1,037) . . 1970 IMO Problems/Problem 2 (added solution; fixed categories)
- 13:46, 28 December 2007 (diff | hist) . . (-3) . . 1960 IMO Problems/Problem 2 (change category)
- 13:46, 28 December 2007 (diff | hist) . . (+576) . . N Category talk:Olympiad Inequality Problems (New page: In keeping with precedence, shouldn't we move the inequality problems to the "algebra" category and scrap this category? All previous inequality problems have been classified as algebra, ...) (current)
- 12:55, 28 December 2007 (diff | hist) . . (+1,593) . . N 1999 USAMO Problems/Problem 4 (problem and solution)
- 10:44, 28 December 2007 (diff | hist) . . (+774) . . N 1999 USAMO (New page: The '''29th USAMO''' was held April 27, 1999. The first part of the exam occurred in the morning; the second part occurred in the afternoon. Three hours were permitted for each part....)
- 18:49, 19 December 2007 (diff | hist) . . (-56) . . Pythagorean triple (Pythagorean triples are not triangles; they're triples of positive integers)
- 22:53, 18 December 2007 (diff | hist) . . (+2,427) . . Pythagorean triple (added general form of Pythagorean triples and proof)
- 22:38, 18 December 2007 (diff | hist) . . (+32) . . Nm Modulus (redirect) (current)
- 22:29, 18 December 2007 (diff | hist) . . (+52) . . Diophantine equation (Diophantine equations do not exist solely "to be solved"; also, one can often find initial (often trivial) solutions to a problem without brute force)
- 16:12, 16 December 2007 (diff | hist) . . (+554) . . Talk:Zermelo-Fraenkel Axioms
- 01:13, 16 December 2007 (diff | hist) . . (+887) . . Diophantine equation
- 01:00, 16 December 2007 (diff | hist) . . (+405) . . User talk:Temperal
- 18:38, 5 December 2007 (diff | hist) . . (+930) . . N Functional predicate (New page: The idea of the '''functional predicate''' allows mathematicians to extend the concept of function beyond specific sets. A functional predicate <math>F(x,y)</math> is...) (current)
- 18:29, 5 December 2007 (diff | hist) . . (+44) . . m Predicate (categories)
- 18:26, 5 December 2007 (diff | hist) . . (+1,156) . . N Predicate (At the moment, I do not know enough on this subject to write a good article, so perhaps someone else should.)
- 17:43, 5 December 2007 (diff | hist) . . (-16) . . 2004 AMC 12A Problems/Problem 25 (Use align* instead of eqnarray*.)
- 21:48, 2 December 2007 (diff | hist) . . (+37) . . Nm Zermelo-Fraenkel axioms (redirect) (current)
- 21:20, 2 December 2007 (diff | hist) . . (+130) . . User talk:Temperal (→Red links on Zorn's Lemma Page)
- 00:39, 26 November 2007 (diff | hist) . . (+246) . . Talk:Zorn's Lemma
- 00:35, 26 November 2007 (diff | hist) . . (+1,330) . . User talk:Temperal (→Red links on Zorn's Lemma Page)
- 18:45, 25 November 2007 (diff | hist) . . (+398) . . User talk:Temperal
- 18:35, 25 November 2007 (diff | hist) . . (0) . . m Lassiter Invitational (update) (current)
- 14:46, 25 November 2007 (diff | hist) . . (+567) . . N Talk:Zorn's Lemma (New page: This proof is almost exactly the proof in the appendix of the Lang book I cited at the end of the article—I worked through that proof, digested it, and then typed it up here. Since ...)
- 14:43, 25 November 2007 (diff | hist) . . (+8,778) . . N Zorn's Lemma (Zorn's Lemma! With proof! Yay!)
- 12:55, 25 November 2007 (diff | hist) . . (+19) . . m Partially ordered set (links)
- 12:52, 25 November 2007 (diff | hist) . . (+85) . . m Totally ordered set (links) (current)
- 12:50, 25 November 2007 (diff | hist) . . (+2,034) . . N Order relation (New page: An '''order relation''' (or a '''partial order relation''') on a set <math>S</math> is a binary relation <math>\le</math> on <math>S</math> which satisfies the following axioms: * ...) (current)
- 12:28, 25 November 2007 (diff | hist) . . (+133) . . Binary relation (→Formal Definition and Notation)
- 12:02, 25 November 2007 (diff | hist) . . (+902) . . Binary relation (Added formal definition)
- 11:59, 25 November 2007 (diff | hist) . . (+657) . . N Cartesian product (New page: The '''Cartesian product''' of two sets <math>A</math> and <math>B</math> is the set of all ordered pairs <math>(a,b)</math> such that <math>a</math> is an element of <math>A</...)
- 15:03, 6 August 2007 (diff | hist) . . (+2,433) . . N 2006 IMO Shortlist Problems/N2 (current)
- 14:45, 6 August 2007 (diff | hist) . . (+2,979) . . N 2006 IMO Shortlist Problems/G2 (current)
- 20:35, 28 July 2007 (diff | hist) . . (+1,552) . . N 2006 IMO Shortlist Problems/A2 (current)
- 19:44, 28 July 2007 (diff | hist) . . (+3,907) . . N 2006 IMO Shortlist Problems/C1 (current)
- 17:57, 28 July 2007 (diff | hist) . . (+4,657) . . N 2006 IMO Shortlist Problems/A1 (current)
- 14:00, 28 July 2007 (diff | hist) . . (+1,586) . . N 2006 IMO Shortlist Problems
- 13:47, 28 July 2007 (diff | hist) . . (+41) . . m IMO Shortlist Problems (added 2006)
- 16:59, 24 June 2007 (diff | hist) . . (+1,718) . . N 2005 IMO Shortlist Problems/N3
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