# User contributions

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- 03:55, 2 August 2020 (diff | hist) . . (+8) . . Power Mean Inequality (→Inequality)
- 09:44, 31 July 2020 (diff | hist) . . (+20) . . m Jensen's Inequality (→Example)
- 09:39, 31 July 2020 (diff | hist) . . (0) . . m Jensen's Inequality (→Example)
- 09:39, 31 July 2020 (diff | hist) . . (+113) . . m Jensen's Inequality (→Example)
- 09:38, 31 July 2020 (diff | hist) . . (-27) . . Power Mean Inequality (→Description)
- 09:33, 31 July 2020 (diff | hist) . . (-4) . . m Jensen's Inequality (→Inequality)
- 09:33, 31 July 2020 (diff | hist) . . (0) . . Jensen's Inequality (→Inequality)
- 09:32, 31 July 2020 (diff | hist) . . (+7) . . Jensen's Inequality (→Proof)
- 09:28, 31 July 2020 (diff | hist) . . (+135) . . Jensen's Inequality (→Proof)
- 09:21, 31 July 2020
(diff | hist) . .
**(+628)** . . Jensen's Inequality (→Proof) - 20:29, 30 July 2020 (diff | hist) . . (-3) . . Power Mean Inequality (→Proof)
- 20:18, 30 July 2020 (diff | hist) . . (+46) . . Power Mean Inequality (→Proof)
- 20:12, 30 July 2020 (diff | hist) . . (+26) . . Power Mean Inequality (→Description)
- 12:00, 30 July 2020 (diff | hist) . . (0) . . Power Mean Inequality (→Description)
- 11:52, 30 July 2020 (diff | hist) . . (-79) . . Power Mean Inequality (→Description)
- 11:51, 30 July 2020 (diff | hist) . . (+224) . . Power Mean Inequality (→Inequality)
- 11:39, 30 July 2020 (diff | hist) . . (+8) . . Power Mean Inequality (→Proof)
- 11:36, 30 July 2020 (diff | hist) . . (+185) . . Power Mean Inequality (→Proof)
- 11:16, 30 July 2020
(diff | hist) . .
**(-748)** . . Power Mean Inequality (→Proof) - 11:10, 30 July 2020
(diff | hist) . .
**(+1,991)** . . Power Mean Inequality - 23:36, 4 June 2020 (diff | hist) . . (+6) . . 1998 JBMO Problems/Problem 2 (→See Also)
- 23:35, 4 June 2020 (diff | hist) . . (+53) . . 1998 JBMO Problems/Problem 2 (→Solutions)
- 23:26, 4 June 2020 (diff | hist) . . (-4) . . m 1998 JBMO Problems/Problem 2 (→Solution 1)
- 23:23, 4 June 2020 (diff | hist) . . (+83) . . 1998 JBMO Problems/Problem 2 (→Solution 1)
- 23:04, 4 June 2020 (diff | hist) . . (0) . . 1998 JBMO Problems/Problem 2 (→Solution 2)
- 23:04, 4 June 2020 (diff | hist) . . (+32) . . 1998 JBMO Problems/Problem 2 (→Solution 2)
- 22:59, 4 June 2020
(diff | hist) . .
**(+834)** . . 1998 JBMO Problems/Problem 2 (→Solution) - 07:23, 28 March 2019 (diff | hist) . . (+41) . . 1988 IMO Problems/Problem 2 (→Problem)
- 07:22, 28 March 2019 (diff | hist) . . (+54) . . 1988 IMO Problems/Problem 2 (→Problem)
- 07:17, 28 March 2019
(diff | hist) . .
**(+651)** . . N 1988 IMO Problems/Problem 2 (Created page with "== Problem == Let <math>n</math> be a positive integer and let <math>A_1, A_2, \cdots, A_{2n+1}</math> be subsets of a set <math>B</math>. Suppose that (a) Each <math>A_i</...") - 00:38, 19 March 2018 (diff | hist) . . (-21) . . 1986 IMO Problems/Problem 1
- 00:28, 19 March 2018
(diff | hist) . .
**(+845)** . . 1986 IMO Problems/Problem 1 - 00:15, 19 March 2018 (diff | hist) . . (-404) . . 1959 IMO Problems/Problem 1
- 00:55, 18 February 2018 (diff | hist) . . (+1) . . m 1959 IMO Problems/Problem 4
- 15:43, 17 February 2018 (diff | hist) . . (+488) . . N 1975 IMO Problems/Problem 1 (Created page with "==Problem== Let <math>x_i, y_i</math> <math>(i=1,2,\cdots,n)</math> be real numbers such that <cmath>x_1\ge x_2\ge\cdots\ge x_n \text{ and } y_1\ge y_2\ge\cdots\ge y_n.</cmath...")
- 15:33, 17 February 2018 (diff | hist) . . (+446) . . N 1974 IMO Problems/Problem 6 (Created page with "==Problem== Let <math>P</math> be a non-constant polynomial with integer coefficients. If <math>n(P)</math> is the number of distinct integers <math>k</math> such that <math>(...")
- 15:29, 17 February 2018
(diff | hist) . .
**(+662)** . . N 1974 IMO Problems/Problem 4 (Created page with "==Problem== Consider decompositions of an <math>8\times8</math> chessboard into <math>p</math> non-overlapping rectangles subject to the following conditions: (i) Each rectan...") - 15:24, 17 February 2018 (diff | hist) . . (+274) . . N 1974 IMO Problems/Problem 3 (Created page with "==Problem== Prove that the number <math>\sum^n_{k=0}\binom{2n+1}{2k+1}2^{3k}</math> is not divisible by <math>5</math> for any integer <math>n\ge0.</math> ==Solution== {{solu...")
- 15:21, 17 February 2018
(diff | hist) . .
**(+590)** . . N 1973 IMO Problems/Problem 6 (Created page with "==Problem== Let <math>a_1, a_2,\cdots, a_n</math> be <math>n</math> positive numbers, and let <math>q</math> be a given real number such that <math>0<q<1.</math> Find <math>n<...") - 15:15, 17 February 2018
(diff | hist) . .
**(+690)** . . N 1973 IMO Problems/Problem 1 (Created page with "==Problem== Point <math>O</math> lies on line <math>g;</math> <math>\overrightarrow{OP_1}, \overrightarrow{OP_2},\cdots, \overrightarrow{OP_n}</math> are unit vectors such tha...") - 15:03, 17 February 2018 (diff | hist) . . (+1) . . m 1971 IMO Problems/Problem 1
- 15:02, 17 February 2018 (diff | hist) . . (-40) . . m 1967 IMO Problems/Problem 3
- 15:01, 17 February 2018 (diff | hist) . . (-40) . . m 1969 IMO Problems/Problem 2
- 15:01, 17 February 2018 (diff | hist) . . (+100) . . m 1971 IMO Problems/Problem 1
- 14:59, 17 February 2018 (diff | hist) . . (0) . . m 1967 IMO Problems/Problem 3
- 14:59, 17 February 2018
(diff | hist) . .
**(+501)** . . N 1971 IMO Problems/Problem 2 (Created page with "==Problem== Consider a convex polyhedron <math>P_1</math> with nine vertices <math>A_1, A_2, \cdots, A_9;</math> let <math>P_i</math> be the polyhedron obtained from <math>P_1...") - 14:53, 17 February 2018 (diff | hist) . . (+127) . . m 1967 IMO Problems/Problem 3
- 14:51, 17 February 2018 (diff | hist) . . (+120) . . m 1969 IMO Problems/Problem 2
- 14:50, 17 February 2018 (diff | hist) . . (+7) . . m 1969 IMO Problems/Problem 2
- 14:47, 17 February 2018 (diff | hist) . . (+366) . . N 1971 IMO Problems/Problem 1 (Created page with "Prove that the following assertion is true for <math>n=3</math> and <math>n=5</math>, and that it is false for every other natural number <math>n>2:</math> If <math>a_1, a_2,...")

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