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)
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