User contributions
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- 20:41, 2 November 2025 (diff | hist) . . (+695) . . 2022 AMC 10B Problems/Problem 25 (→Solution 6)
- 20:43, 1 November 2025 (diff | hist) . . (-14) . . m Hensel's Lemma (→Intermediate) (current)
- 20:43, 1 November 2025 (diff | hist) . . (+1) . . m Problems Collection (oops) (current)
- 13:10, 1 November 2025 (diff | hist) . . (+49) . . m User:Ddk001 (→AIME) (current)
- 13:09, 1 November 2025 (diff | hist) . . (+12) . . m 2004 AIME II Problems/Problem 14 (→Solution 4 (No calculation)) (current)
- 13:07, 1 November 2025 (diff | hist) . . (+1,581) . . 2004 AIME II Problems/Problem 14
- 21:13, 28 October 2025 (diff | hist) . . (+46) . . User:Ddk001 (→USAMO/USAJMO)
- 21:09, 28 October 2025 (diff | hist) . . (+735) . . 1973 USAMO Problems/Problem 2 (current)
- 21:33, 5 July 2025 (diff | hist) . . (+2,006) . . Problems Collection
- 21:13, 5 July 2025 (diff | hist) . . (+96) . . m Problems Collection (→Solution 1 (Plain Algebra))
- 21:03, 5 July 2025 (diff | hist) . . (0) . . m User:Ddk001 (→User Count)
- 21:02, 5 July 2025 (diff | hist) . . (+159) . . m User:Ddk001 (→User Count)
- 20:02, 6 June 2025 (diff | hist) . . (0) . . User:Ddk001 (→Contributions)
- 19:53, 6 June 2025 (diff | hist) . . (+1,664) . . Problems Collection
- 19:31, 6 June 2025 (diff | hist) . . (+53) . . m User:Ddk001
- 19:30, 6 June 2025 (diff | hist) . . (+206) . . m Problems Collection (→Putnam styled (Calculus version of AMC, AIME, and Olympiad))
- 19:25, 6 June 2025 (diff | hist) . . (+1,863) . . 2002 USAMO Problems/Problem 2 (→Solution) (current)
- 20:36, 1 June 2025 (diff | hist) . . (+2,165) . . Problems Collection
- 20:27, 28 May 2025 (diff | hist) . . (+489) . . m Characteristic polynomial (→Olympiad)
- 20:25, 28 May 2025 (diff | hist) . . (+23) . . m User:Ddk001 (→Definitions)
- 20:23, 28 May 2025 (diff | hist) . . (+2) . . m Characteristic Equation (Changed redirect target from Characteristic equation to Characteristic polynomial) (current) (Tag: Redirect target changed)
- 20:22, 28 May 2025 (diff | hist) . . (+446) . . Eigenvalue (current)
- 20:22, 28 May 2025 (diff | hist) . . (+4) . . m User:Ddk001 (→Theorems)
- 20:18, 28 May 2025 (diff | hist) . . (+37) . . N Characteristic Equation (Redirected page to Characteristic equation) (Tag: New redirect)
- 20:16, 28 May 2025 (diff | hist) . . (+94) . . m Diagonalizability (→Uses of Diagonalization) (current)
- 20:14, 28 May 2025 (diff | hist) . . (+105) . . m Linear recurrence (current)
- 20:13, 28 May 2025 (diff | hist) . . (+144) . . m Linear algebra (current)
- 20:10, 28 May 2025 (diff | hist) . . (+1,245) . . Diagonalizability
- 20:00, 28 May 2025 (diff | hist) . . (+91) . . m User:Ddk001 (→IMO)
- 19:57, 28 May 2025 (diff | hist) . . (+1,613) . . 1976 IMO Problems/Problem 6 (→Solution) (current)
- 20:27, 26 May 2025 (diff | hist) . . (+3,682) . . N Diagonalizability (Created page with "In Linear Algebra, '''Diagonalizability''' refers to the ability to diagonalize a matrix <math>A</math>, i.e. the ability to find an invertible matrix <math>P</math> and a...")
- 22:07, 26 April 2025 (diff | hist) . . (+107) . . User:Ddk001 (→IMO)
- 22:06, 26 April 2025 (diff | hist) . . (+68) . . User:Ddk001 (→IMO)
- 22:05, 26 April 2025 (diff | hist) . . (+1,467) . . 2022 USAMO Problems/Problem 6 (seriously, the solution had already been written ages ago, but usamo 2023 deleted it) (current)
- 21:27, 26 April 2025 (diff | hist) . . (+71) . . Reaper Archives
- 21:25, 26 April 2025 (diff | hist) . . (+14) . . Reaper Archives
- 21:22, 26 April 2025 (diff | hist) . . (+20) . . User:Ddk001 (→Vandalism area)
- 20:55, 26 April 2025 (diff | hist) . . (+66) . . 2025 AMC 10B Problems
- 20:48, 26 April 2025 (diff | hist) . . (+94) . . m Problems Collection (→Problem 14)
- 20:47, 26 April 2025 (diff | hist) . . (+18) . . m 1972 IMO Problems/Problem 3 (→Solution 3)
- 20:45, 26 April 2025 (diff | hist) . . (-19) . . m Problems Collection (→Problem 14)
- 20:44, 26 April 2025 (diff | hist) . . (+20) . . m Problems Collection (→Problem 14)
- 20:42, 26 April 2025 (diff | hist) . . (+18) . . m Problems Collection (Undo revision 247432 by Ddk001 (talk)) (Tag: Undo)
- 20:40, 26 April 2025 (diff | hist) . . (-18) . . Problems Collection (→Problem 14)
- 20:39, 26 April 2025 (diff | hist) . . (+1) . . m Problems Collection (→Problem 14)
- 20:37, 26 April 2025 (diff | hist) . . (+2) . . Problems Collection (→Problem 14)
- 20:37, 26 April 2025 (diff | hist) . . (+4) . . Problems Collection (→Problem 14)
- 20:34, 26 April 2025 (diff | hist) . . (-1) . . Problems Collection (→Problem 14)
- 20:32, 26 April 2025 (diff | hist) . . (-94) . . Problems Collection (→Problem 14)
- 20:32, 26 April 2025 (diff | hist) . . (-93) . . Problems Collection (→Problem 14)
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