User contributions
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- 22:33, 21 May 2008 (diff | hist) . . (+791) . . Stabilizer (added a proposition)
- 22:20, 21 May 2008 (diff | hist) . . (+22) . . m Conjugate (group theory) (→See also) (current)
- 22:20, 21 May 2008 (diff | hist) . . (+433) . . Conjugate (group theory) (added note on subsets of a group)
- 23:17, 20 May 2008 (diff | hist) . . (+2,832) . . N Homogeneous set (started article)
- 22:16, 20 May 2008 (diff | hist) . . (+3,396) . . N Orbit (started kind of rambling article)
- 20:58, 20 May 2008 (diff | hist) . . (+547) . . N Conjugacy class (stub)
- 18:58, 20 May 2008 (diff | hist) . . (-4) . . m Conjugate (group theory) (TeX typo)
- 18:57, 20 May 2008 (diff | hist) . . (+275) . . Conjugate (group theory)
- 17:43, 20 May 2008 (diff | hist) . . (+497) . . N Conjugate (group theory) (New page: Let <math>G</math> be a group operating on a set <math>S</math>. An element <math>y\in S</math> ''conjugate'' to an element <math>x\in S</math> if there exists an element <math>\a...)
- 16:56, 20 May 2008 (diff | hist) . . (+227) . . m Group theory (added links to some topics) (current)
- 16:55, 20 May 2008 (diff | hist) . . (0) . . m Free group (→Commutivity in Free Groups: correction)
- 16:50, 20 May 2008 (diff | hist) . . (+1,642) . . N Lagrange's Theorem (statement, proof, and a few remarks)
- 00:01, 19 May 2008 (diff | hist) . . (+3) . . m Normal subgroup (→See also: corrected link)
- 00:00, 19 May 2008 (diff | hist) . . (0) . . m Research Science Institute (updated dates)
- 23:56, 18 May 2008 (diff | hist) . . (+4,539) . . N Coset (new page)
- 23:10, 18 May 2008 (diff | hist) . . (+544) . . Quotient set (added note on saturation)
- 22:47, 18 May 2008 (diff | hist) . . (+727) . . N Quotient group (new page) (current)
- 22:43, 18 May 2008 (diff | hist) . . (+1,473) . . N Quotient set (New page: A '''quotient set''' is a set derived from another by an equivalence relation. Let <math>S</math> be a set, and let <math>\mathcal{R}</math> be an equivalence relation. The set o...)
- 22:33, 18 May 2008 (diff | hist) . . (+287) . . Binary relation (→Formal Definition and Notation) (current)
- 22:30, 18 May 2008 (diff | hist) . . (+183) . . Binary relation (→Formal Definition and Notation)
- 23:45, 14 May 2008 (diff | hist) . . (+630) . . Centralizer (added a little) (current)
- 23:40, 14 May 2008 (diff | hist) . . (+1,105) . . N Normalizer (stub) (current)
- 23:30, 14 May 2008 (diff | hist) . . (+4,048) . . N Characteristic subgroup (New page: A '''characteristic subgroup''' of a group <math>G</math> is a subgroup of <math>G</math> that is stable under every automorphism on <math>G</math>. Since the map <math>y \map...) (current)
- 21:30, 14 May 2008 (diff | hist) . . (+1,125) . . N Order (group theory) (new page)
- 21:13, 14 May 2008 (diff | hist) . . (+305) . . Normal subgroup (added some about characteristic groups; links)
- 21:07, 14 May 2008 (diff | hist) . . (+2,625) . . N Inner automorphism (new page) (current)
- 20:23, 14 May 2008 (diff | hist) . . (+189) . . Nm Automorphism (stub)
- 20:18, 14 May 2008 (diff | hist) . . (+1,626) . . N Fixer (new page)
- 19:52, 14 May 2008 (diff | hist) . . (+1,940) . . N Stabilizer (start)
- 19:47, 14 May 2008 (diff | hist) . . (+134) . . m Monoid (→Monoid Operating on a Set)
- 17:14, 14 May 2008 (diff | hist) . . (+635) . . N Transporter (stub; I think this is an obscure term anyway) (current)
- 22:42, 13 May 2008 (diff | hist) . . (+1,517) . . Fundamental Theorem of Arithmetic (added some)
- 22:32, 13 May 2008 (diff | hist) . . (+47) . . Nm Fundamental theorem of arithmetic (Redirecting to Fundamental Theorem of Arithmetic) (current)
- 22:31, 13 May 2008 (diff | hist) . . (-26) . . Euclid's Lemma (deleted fallacious proof; mentioned converse in proof; edited a little)
- 22:10, 13 May 2008 (diff | hist) . . (+162) . . m Monoid
- 22:09, 13 May 2008 (diff | hist) . . (+2,215) . . Monoid (added some)
- 21:47, 13 May 2008 (diff | hist) . . (+755) . . N Fiber product (New page: The '''fiber product''', also called the '''pullback''' is an idea in category theory which occurs in many areas of mathematics. == Definition == Let <math>X</math>, <math>Y</math>, ...)
- 11:29, 11 May 2008 (diff | hist) . . (+21) . . m Center (algebra)
- 11:28, 11 May 2008 (diff | hist) . . (+19) . . m Centralizer (correct link)
- 11:27, 11 May 2008 (diff | hist) . . (+1,334) . . N Centralizer (stub)
- 11:17, 11 May 2008 (diff | hist) . . (+264) . . N Endomorphism (stub) (current)
- 11:15, 11 May 2008 (diff | hist) . . (+589) . . N Center (algebra) (New page: In general, the '''center''' of an algebraic structure is the set of elements which commute with every of the structure. With groups, this definition is straightforward; for rings...)
- 11:08, 11 May 2008 (diff | hist) . . (+75) . . Center
- 11:07, 11 May 2008 (diff | hist) . . (0) . . m Center (geometry) (Center moved to Center (geometry): Too general a term)
- 11:07, 11 May 2008 (diff | hist) . . (+31) . . N Center (Center moved to Center (geometry): Too general a term)
- 11:07, 11 May 2008 (diff | hist) . . (+83) . . Normal subgroup (→Examples: center)
- 23:46, 10 May 2008 (diff | hist) . . (+1,157) . . N Jordan-Hölder Theorem (background, statement, proof)
- 23:15, 10 May 2008 (diff | hist) . . (+2,023) . . N Schreier's Theorem (New page: '''Schreier's Refinement Theorem''' is a result in group theory. Otto Schreir discovered it in 1928, and used it to give an improved proof of the Jordan-Hölder Theorem. Six year...)
- 22:46, 10 May 2008 (diff | hist) . . (0) . . m Zassenhaus's Lemma (→Resources: typo)
- 22:45, 10 May 2008 (diff | hist) . . (+2,338) . . N Zassenhaus's Lemma (background, statement, proof)
- 20:03, 10 May 2008 (diff | hist) . . (+1) . . m Composition series (→Resources: typo) (current)
- 13:37, 10 May 2008 (diff | hist) . . (+553) . . N Cyclic group (New page: A '''cyclic group''' <math>G</math> is a group generated by a single element. Some sources add the stipluation that <math>G</math> be finite. The term '''monogenous group''', however, ge...) (current)
- 13:32, 10 May 2008 (diff | hist) . . (+593) . . N Simple group (New page: A '''simple group''' is a non-trivial group (i.e., a group with at least two elements) that has no non-trivial normal subgroups, i.e., none other than itself and <math>\{e\}</math>...) (current)
- 13:27, 10 May 2008 (diff | hist) . . (+920) . . N Klein 4-group (New page: The '''Klein 4-group''' is an Abelian group. It is the smallest non-cyclic group. It is the underlying group of the four-element field. Th...) (current)
- 13:19, 10 May 2008 (diff | hist) . . (+877) . . N Jordan-Hölder series (New page: A '''Jordan-Hölder series''' of a group <math>G</math> is a composition series <math>(G_i)_{0\le i \le n}</math> of <math>G</math> such that <math>G_i/G_{i+1}</math> is a [[simple...) (current)
- 13:12, 10 May 2008 (diff | hist) . . (+1,668) . . N Composition series (New page: A '''composition series''' is a way of describing a group. == Definition == A composition series of a group <math>G</math> with idenitity <math>e</math> is a finite sequence <math>(G...)
- 13:01, 10 May 2008 (diff | hist) . . (+3,315) . . Normal subgroup (→Group homomorphism theorems: I think that's enough for now.)
- 18:11, 9 May 2008 (diff | hist) . . (+1,523) . . Normal subgroup (→Group homomorphism theorems: added a little more)
- 18:08, 8 May 2008 (diff | hist) . . (+3,854) . . Normal subgroup (→Group homomorphism theorems: added some more)
- 17:06, 8 May 2008 (diff | hist) . . (+24) . . Nm Surjective (redirect) (current)
- 16:33, 8 May 2008 (diff | hist) . . (-116) . . Talk:Limit
- 21:31, 7 May 2008 (diff | hist) . . (+4,849) . . N Normal subgroup (start of an article; I'll be back to finish it)
- 21:31, 7 May 2008 (diff | hist) . . (+665) . . Talk:Limit
- 20:41, 7 May 2008 (diff | hist) . . (+218) . . N Trivial group (New page: The '''trivial group''' is a group with only one element: the identity. It is a normal subgroup of every group. It is its only subgroup, but it is not a simple group. {{stu...) (current)
- 20:37, 7 May 2008 (diff | hist) . . (+7) . . m Subgroup (elements are not a set; rather, they may constitute a set) (current)
- 17:29, 7 May 2008 (diff | hist) . . (+562) . . Talk:Limit
- 17:24, 7 May 2008 (diff | hist) . . (+2,171) . . Limit (ugh, started to clean)
- 22:53, 6 May 2008 (diff | hist) . . (+843) . . Talk:Limit
- 17:14, 1 May 2008 (diff | hist) . . (+3,086) . . N 2008 USAMO Problems/Problem 1 (problem and solution)
- 15:47, 27 April 2008 (diff | hist) . . (+2,642) . . N 2001 Iran NMO (Round 3) Problems/Problem 5 (problem and solution) (current)
- 14:48, 27 April 2008 (diff | hist) . . (+729) . . N 2001 Iran NMO (Round 3) (problem page) (current)
- 14:44, 27 April 2008 (diff | hist) . . (-9) . . m Iran NMO Problems and Solutions (current)
- 14:43, 27 April 2008 (diff | hist) . . (+206) . . N Talk:Iran NMO Problems and Solutions (New page: I made this page, but I don't really understand the olympiad system in Iran, so if I give pages the wrong titles, please move them. Thanks, ~~~~) (current)
- 14:42, 27 April 2008 (diff | hist) . . (+148) . . Nm Iran NMO Problems and Solutions (new page)
- 00:40, 27 April 2008 (diff | hist) . . (+3,650) . . N 2006 IMO Problems/Problem 5 (problem and solution)
- 20:55, 25 April 2008 (diff | hist) . . (+749) . . User talk:I like pie
- 20:18, 25 April 2008 (diff | hist) . . (+266) . . User talk:I like pie
- 17:09, 25 April 2008 (diff | hist) . . (+2,110) . . N 2003 IMO Problems/Problem 2 (problem and solution)
- 21:41, 23 April 2008 (diff | hist) . . (+2,699) . . N 2001 USA TST Problems/Problem 8 (Problem and solution) (current)
- 20:39, 23 April 2008 (diff | hist) . . (+2,469) . . N 2001 USA TST Problems/Problem 9 (problem and solution) (current)
- 17:59, 23 April 2008 (diff | hist) . . (+809) . . Nm 2001 USA TST (problem page) (current)
- 07:18, 23 April 2008 (diff | hist) . . (+1,796) . . N 2007 IMO Problems/Problem 5 (Problem and solution)
- 21:37, 13 April 2008 (diff | hist) . . (0) . . m 2005 USAMO Problems/Problem 3 (→Solution: typo)
- 18:42, 13 April 2008 (diff | hist) . . (+2,101) . . N 1998 APMO Problems/Problem 4 (problem and solution) (current)
- 18:06, 13 April 2008 (diff | hist) . . (+960) . . m APMO Problems and Solutions
- 18:02, 13 April 2008 (diff | hist) . . (+4,547) . . N APMO Problems and Solutions (New page: Problems and solutions of the APMO. * 1989 APMO ** Problem 1 ** Problem 2 ** [[1989 APMO Problems/Problem 3 |...)
- 17:58, 13 April 2008 (diff | hist) . . (+48) . . Nm APMO (Redirecting to Asian Pacific Mathematics Olympiad) (current)
- 17:44, 13 April 2008 (diff | hist) . . (+17) . . m Asian Pacific Mathematics Olympiad
- 17:42, 13 April 2008 (diff | hist) . . (+996) . . N Asian Pacific Mathematics Olympiad (New page: The '''Asian Pacific Mathematics Olympiad''' ('''APMO''') is a mathematics olympiad for high school students in countries on and near the Pacific rim. The olympiad started in 1989, and us...)
- 22:58, 12 April 2008 (diff | hist) . . (+1,867) . . N 2005 USAMO Problems/Problem 2 (New page: == Problem == (''Răzvan Gelca'') Prove that the system <cmath> \begin{align*} x^6 + x^3 + x^3y + y &= 147^{157} \\ x^3 + x^3y + y^2 + y + z^9 &= 157^{147} \end{align*} </cmath> has no so...)
- 07:24, 12 April 2008 (diff | hist) . . (+2,872) . . N 2005 USAMO Problems/Problem 3 (problem and solution)
- 21:53, 11 April 2008 (diff | hist) . . (-279) . . m 2005 USAMO Problems (cosmetics)
- 16:36, 10 April 2008 (diff | hist) . . (+640) . . Talk:Cauchy-Schwarz Inequality (→"not really a proof") (current)
- 16:16, 10 April 2008 (diff | hist) . . (+2,975) . . N 1974 USAMO Problems/Problem 5 (Problem and solution)
- 22:57, 9 April 2008 (diff | hist) . . (0) . . m Ultrafilter
- 22:52, 9 April 2008 (diff | hist) . . (+7,366) . . Ultrafilter (finished)
- 18:09, 9 April 2008 (diff | hist) . . (+1,964) . . N Ultrafilter (started a page; will finish later)
- 14:50, 9 April 2008 (diff | hist) . . (-179) . . m Cauchy-Schwarz Inequality (cosmetics)
- 14:40, 9 April 2008 (diff | hist) . . (+734) . . Talk:Cauchy-Schwarz Inequality (response)
- 14:32, 9 April 2008 (diff | hist) . . (+21) . . m Cauchy-Schwarz Inequality (categories)
- 14:32, 9 April 2008 (diff | hist) . . (+134) . . N Category talk:Theorems (New page: Sorry if this is rude, but what is the point of this category? —~~~~)
- 14:23, 9 April 2008 (diff | hist) . . (+1,430) . . N Filter (New page: A '''filter''' on a set <math>X</math> is a structure of subsets of <math>X</math>. == Definition == Let <math>\mathcal{F}</math> be a set of subsets of <math>X</math>. We say t...)
- 14:22, 9 April 2008 (diff | hist) . . (+748) . . N Complement (stub) (current)
- 11:09, 30 March 2008 (diff | hist) . . (+3,682) . . N 2006 IMO Shortlist Problems/C5 (problem and solution) (current)
- 23:23, 28 March 2008 (diff | hist) . . (+3,146) . . N 2006 IMO Shortlist Problems/A5 (problem and solution)
- 22:14, 21 March 2008 (diff | hist) . . (-1) . . MATHCOUNTS (Re-undoing typo? ("user" starts with a consonant sound, so it should be preceded by "a", not "an"))
- 20:51, 21 March 2008 (diff | hist) . . (-94) . . MATHCOUNTS (Um, doesn't the national competition not happen until May or something?)
- 12:26, 24 February 2008 (diff | hist) . . (+25) . . Nm Isomorphic (redirect) (current)
- 12:26, 24 February 2008 (diff | hist) . . (+460) . . Nm Isomorphism (stub)
- 16:18, 19 February 2008 (diff | hist) . . (-300) . . Bijective (redirecting) (current)
- 16:16, 19 February 2008 (diff | hist) . . (+225) . . User talk:10000th User
- 13:10, 19 February 2008 (diff | hist) . . (+1,934) . . N Subgroup (New page: {{stub}} A '''subgroup''' is a group contained in another. Specifically, let <math>H</math> and <math>G</math> be groups (with group laws written multiplicatively). We say that <mat...)
- 13:08, 19 February 2008 (diff | hist) . . (+1,426) . . N Homomorphism (stub)
- 00:20, 19 February 2008 (diff | hist) . . (+1,145) . . N Talk:2008 AMC 12A Problems/Problem 18 (New page: I tried to improve this solution. Before, the solution was not bad, but when I was reading it some general principles came to mind, some of which could improve the solution. Here they ar...) (current)
- 23:45, 18 February 2008 (diff | hist) . . (+298) . . 2008 AMC 12A Problems/Problem 18 (improved writeup)
- 17:12, 18 February 2008 (diff | hist) . . (-53) . . Elliptical geometry (make correct)
- 22:57, 12 February 2008 (diff | hist) . . (+2,324) . . N Isogonal conjugate (Needs diagrams)
- 22:28, 12 February 2008 (diff | hist) . . (-6) . . m Ceva's Theorem (→Other Notes)
- 14:05, 10 February 2008 (diff | hist) . . (+1,972) . . N 1995 USAMO Problems/Problem 2 (New page: == Problem == A calculator is broken so that the only keys that still work are the <math>\, \sin, \; \cos, </math> <math>\tan, \; \sin^{-1}, \; \cos^{-1}, \,</math> and <math>\, \tan^{-1...)
- 13:22, 10 February 2008 (diff | hist) . . (+1,480) . . 1995 USAMO Problems (revert to original wording)
- 21:34, 9 February 2008 (diff | hist) . . (+1,316) . . N 1974 USAMO Problems/Problem 1 (problem and solution)
- 21:09, 9 February 2008 (diff | hist) . . (+426) . . N 1974 USAMO (New page: The '''Third USAMO''' was held May 7, 1974. There were five problems. * 1974 USAMO Problems * Problem 1 * [[1974 USAMO Problems/Problem 2 | Pr...)
- 23:04, 2 February 2008 (diff | hist) . . (-175) . . Law of Tangents
- 14:01, 27 January 2008 (diff | hist) . . (+1,260) . . User talk:Shreyas patankar
- 12:14, 26 January 2008 (diff | hist) . . (+605) . . Zermelo-Fraenkel Axioms (Improved statements of axioms and discussion of AC)
- 12:13, 26 January 2008 (diff | hist) . . (+884) . . User talk:Shreyas patankar (natural numbers)
- 12:13, 26 January 2008 (diff | hist) . . (-755) . . Natural number (Undo revision 22790 by Shreyas patankar (Talk) and added a little)
- 19:09, 22 January 2008 (diff | hist) . . (+173) . . Abstract algebra
- 12:40, 21 January 2008 (diff | hist) . . (+1,592) . . N 1992 USAMO Problems/Problem 1 (problem and solution)
- 12:09, 19 January 2008 (diff | hist) . . (+1,946) . . N 1992 USAMO Problems/Problem 2 (problem and solution)
- 10:04, 19 January 2008 (diff | hist) . . (+475) . . N 1992 USAMO (New page: The '''21st USAMO''' occurred April 30, 1992. There were five problems given in one session of three and a half hours. * 1992 USAMO Problems * [[1992 USAMO Problems/Problem 1 | P...)
- 22:04, 13 January 2008 (diff | hist) . . (+3,489) . . N 1991 USAMO Problems (New page: Problems from the 1991 USAMO. There were five questions administered in one three-and-a-half-hour session. == Problem 1 == In triangle <math>\, ABC, \,</math> angle...)
- 21:29, 13 January 2008 (diff | hist) . . (+2,976) . . N 1991 USAMO Problems/Problem 2 (problem and solution)
- 20:23, 13 January 2008 (diff | hist) . . (+1,850) . . N 1991 USAMO Problems/Problem 3 (problem and solution)
- 19:04, 13 January 2008 (diff | hist) . . (+1,754) . . N 1991 USAMO Problems/Problem 4 (problem and elementary solution)
- 14:01, 13 January 2008 (diff | hist) . . (+33) . . m 1991 USAMO Problems/Problem 5 (TeX)
- 14:00, 13 January 2008 (diff | hist) . . (-144) . . 1991 USAMO Problems/Problem 5 (rescuing diagrams)
- 13:50, 13 January 2008 (diff | hist) . . (+9) . . AoPS Wiki:Sandbox
- 13:47, 13 January 2008 (diff | hist) . . (+115) . . AoPS Wiki:Sandbox
- 13:42, 13 January 2008 (diff | hist) . . (-1) . . AoPS Wiki:Sandbox
- 13:39, 13 January 2008 (diff | hist) . . (-579) . . AoPS Wiki:Sandbox (→Sandbox Area)
- 13:36, 13 January 2008 (diff | hist) . . (+2) . . AoPS Wiki:Sandbox (asy)
- 13:28, 13 January 2008 (diff | hist) . . (+700) . . AoPS Wiki:Sandbox (asymtote)
- 13:19, 13 January 2008 (diff | hist) . . (+4,523) . . N 1991 USAMO Problems/Problem 5 (problem and solution)
- 11:11, 13 January 2008 (diff | hist) . . (0) . . m 1991 USAMO
- 22:34, 12 January 2008 (diff | hist) . . (+475) . . N 1991 USAMO (New page: The '''20th USAMO''' occurred April 23, 1991. There were five problems, and the time limit was three and a half hours. * 1991 USAMO Problems * [[1991 USAMO Problems/Problem 1 | P...)
- 22:32, 12 January 2008 (diff | hist) . . (+81) . . Template:USAMO box (link to all USAMO problems and solutions)
- 01:10, 12 January 2008 (diff | hist) . . (+1) . . m 1990 USAMO Problems (&)
- 01:09, 12 January 2008 (diff | hist) . . (+100) . . m 1990 USAMO Problems (TeX)
- 01:04, 12 January 2008 (diff | hist) . . (+3,187) . . N 1990 USAMO Problems/Problem 4 (problem and solution)
- 00:18, 12 January 2008 (diff | hist) . . (0) . . 1990 USAMO Problems/Problem 3 (category change)
- 00:16, 12 January 2008 (diff | hist) . . (+2,667) . . N 1990 USAMO Problems/Problem 3 (problem and solution)
- 23:48, 11 January 2008 (diff | hist) . . (+78) . . m 1990 USAMO (formatting & whatnot)
- 23:21, 11 January 2008 (diff | hist) . . (-2) . . m The Number Devil (GRAMMAR) (current)
- 19:59, 11 January 2008 (diff | hist) . . (+677) . . 1990 USAMO Problems/Problem 2 (wrote solution)
- 18:50, 11 January 2008 (diff | hist) . . (-615) . . 1990 USAMO Problems/Problem 1 (reverted to original wording; removed induction from solution)
- 17:57, 11 January 2008 (diff | hist) . . (+14) . . 1989 USAMO Problems/Problem 1 (revised solution)
- 19:37, 10 January 2008 (diff | hist) . . (+1,530) . . 1989 USAMO Problems/Problem 5 (solution)
- 18:23, 10 January 2008 (diff | hist) . . (+1,532) . . 1989 USAMO Problems/Problem 3 (added solution)
- 18:20, 3 January 2008 (diff | hist) . . (+1,647) . . United States of America Mathematical Olympiad (history etc.)
- 17:39, 3 January 2008 (diff | hist) . . (+1,306) . . N Mathematical Association of America (stub) (current)
- 23:38, 2 January 2008 (diff | hist) . . (+8) . . m 2003 Polish Mathematical Olympiad Problems/Problem 3 (\qed :-> \blacksquare)
- 23:36, 2 January 2008 (diff | hist) . . (+1) . . m 2003 Polish Mathematical Olympiad Problems/Problem 3 (typo)
- 23:36, 2 January 2008 (diff | hist) . . (+5,486) . . N 2003 Polish Mathematical Olympiad Problems/Problem 3 (problem and solutions)
- 22:47, 2 January 2008 (diff | hist) . . (+665) . . N 2003 Polish Mathematical Olympiad Third Round (problems page) (current)
- 22:37, 2 January 2008 (diff | hist) . . (-230) . . Polish Mathematical Olympiad Third Round Problems and Solutions (current)
- 22:34, 2 January 2008 (diff | hist) . . (+148) . . Polish Mathematical Olympiad (category; link; Polish name) (current)
- 22:30, 2 January 2008 (diff | hist) . . (-3) . . m Poland Math Olympiad (fix double redirect) (current)
- 22:28, 2 January 2008 (diff | hist) . . (0) . . m Polish Mathematical Olympiad (Mathematical Olympiad in Poland moved to Polish Mathematical Olympiad: This is (I think) a better translation of the actual (Polish) name, Polska Olimpiada Matematyczna, and it's less cumbersome.)
- 22:28, 2 January 2008 (diff | hist) . . (+42) . . N Mathematical Olympiad in Poland (Mathematical Olympiad in Poland moved to Polish Mathematical Olympiad: This is (I think) a better translation of the actual (Polish) name, Polska Olimpiada Matematyczna, and it's less cumbersome.) (current)
- 22:20, 2 January 2008 (diff | hist) . . (+931) . . N Polish Mathematical Olympiad Third Round Problems and Solutions (page of links)
- 17:50, 2 January 2008 (diff | hist) . . (+4) . . m PMWC Problems and Solutions (for those of us who might like to know what PMWC is . . .)
- 14:19, 2 January 2008 (diff | hist) . . (+2,565) . . N 1976 USAMO Problems/Problem 5 (problem and solution)
- 13:49, 2 January 2008 (diff | hist) . . (+395) . . N 1976 USAMO (problems page)
- 15:08, 1 January 2008 (diff | hist) . . (+1,682) . . N Carleman's Inequality (statement and proof)
- 14:18, 1 January 2008 (diff | hist) . . (+2,301) . . N 1995 IMO Problems/Problem 2 (problems and solutions)
- 22:50, 31 December 2007 (diff | hist) . . (+3,671) . . Proofs of AM-GM (added a Pólya proof and the Cauchy induction proof)
- 17:37, 31 December 2007 (diff | hist) . . (+414) . . N Talk:Arithmetic Mean-Geometric Mean Inequality (New page: This article has a fairly sloppy feel to me. It seems as though a desire to express results is conflicting with a desire not to intimidate beginners. To me, that suggests splitting the a...)
- 17:34, 31 December 2007 (diff | hist) . . (+817) . . Arithmetic Mean-Geometric Mean Inequality (cleaned LaTeX code, elaborated in weighted section and corrected blatant error; made link to article of proofs)
- 17:18, 31 December 2007 (diff | hist) . . (+2,462) . . N Proofs of AM-GM (started page; more proofs to come)
- 16:04, 31 December 2007 (diff | hist) . . (+125) . .
- 16:02, 31 December 2007 (diff | hist) . . (+146) . .
- 15:53, 31 December 2007 (diff | hist) . . (+3,025) . . (added elementary stuff)
- 00:08, 31 December 2007 (diff | hist) . . (+1,961) . . N 1998 BMO Problems/Problem 2 (problem and Karamata solution) (current)
- 22:03, 30 December 2007 (diff | hist) . . (+1,672) . . N 1998 IMO Shortlist Problems/A2 (New page: == Problem == (''Australia'') Let <math>r_1, r_2, \dotsc, r_n</math> be real numbers greater than or equal to 1. Prove that <cmath> \frac{1}{r_1 + 1} + \frac{1}{r_2 + 1} + \dotsb + \frac...) (current)
- 14:24, 30 December 2007 (diff | hist) . . (-2) . . m 2001 IMO Shortlist Problems (current)
- 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</...) (current)
- 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 (current)
- 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
- 10:53, 24 June 2007 (diff | hist) . . (+3,166) . . N 2005 IMO Shortlist Problems/G3 (current)
- 10:47, 24 June 2007 (diff | hist) . . (+41) . . N File:ISL2005G3.png (Diagram for 2005 IMO shortlist problem G3) (current)
- 12:29, 21 June 2007 (diff | hist) . . (+1,912) . . Pythagorean Theorem (proofs!)
- 12:15, 21 June 2007 (diff | hist) . . (+36) . . N File:Pyth2.png (Diagram for Pythogrean theorem proof) (current)
- 12:14, 21 June 2007 (diff | hist) . . (+36) . . N File:Pyth1.png (Diagram for Pythogrean theorem proof) (current)
- 14:14, 17 June 2007 (diff | hist) . . (+3,825) . . N 2005 IMO Shortlist Problems/C3 (current)
- 11:49, 17 June 2007 (diff | hist) . . (+3,594) . . N 2005 IMO Shortlist Problems/A3
- 10:17, 17 June 2007 (diff | hist) . . (+417) . . Convex function
- 10:07, 17 June 2007 (diff | hist) . . (+26) . . Nm Majorize (Redirect) (current)
- 15:42, 13 June 2007 (diff | hist) . . (0) . . m 2004 IMO Shortlist Problems/N3 (→Solution 2: typo) (current)
- 15:42, 13 June 2007 (diff | hist) . . (0) . . m Bertrand's Postulate (Bertrand's postulate moved to Bertrand's Postulate: Convention of capitalizing named theorems)
- 15:42, 13 June 2007 (diff | hist) . . (+34) . . N Bertrand's postulate (Bertrand's postulate moved to Bertrand's Postulate: Convention of capitalizing named theorems) (current)
- 14:18, 12 June 2007 (diff | hist) . . (0) . . m 2007 AMC 12B Problems/Problem 8 (2007 AMC 12B Problems / Problem 8 moved to 2007 AMC 12B Problems/Problem 8: consistency)
- 14:18, 12 June 2007 (diff | hist) . . (+45) . . N 2007 AMC 12B Problems / Problem 8 (2007 AMC 12B Problems / Problem 8 moved to 2007 AMC 12B Problems/Problem 8: consistency)
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