Art of Problem Solving Forum

Visit the AoPS Book Store.

The time now is Sat Nov 21, 2009 8:46 am
All times are UTC - 8

View posts since last visit
View unanswered posts

Moderators: High School Olympiad Moderators, Arne, blahblahblah, Cezar Lupu, darij grinberg, harazi, Megus, N.T.TUAN, orl, pbornsztein, pvthuan

Home » Olympiad Section » Inequalities » Inequalities Unsolved Problems

6409 Topics • Page 1 of 129 • 1, 2, 3, ..., 127, 128, 129 Next

Announcements			Author	Replies	Views	Last Post
		Vasc's new book [ Goto page: 1, 2, 3, 4 ]	Valentin Vornicu	77	30966	Mon Jun 08, 2009 6:43 am skalgar
		Don't help contest cheaters, please this concerns all of Olympiad Section, not just Inequalities! [ Goto page: 1, 2 ]	darij grinberg	39	13666	Sat Feb 28, 2009 2:50 am Agr_94_Math

Topics		Author	Replies	Views	Last Post
Stickies
	Problem Searching and Naming! [ Goto page: 1, 2 ]	harazi	30	18728	Fri May 18, 2007 3:26 pm Valentin Vornicu
Topics
	ineq with triangle	mestav	0	13	Today, at 7:39 am mestav
	Very easy Refresher sum...	Rijul saini	0	13	Today, at 7:38 am Rijul saini
	a\sqrt(a^2+4b^2+4c^2)	dduclam	1	81	Today, at 7:26 am dduclam
	Can you help me	Yafmuzz	3	65	Today, at 5:52 am Dr Sonnhard Graubner
	find max	VIMF	7	152	Today, at 5:27 am kuing
	a b c sequence feels like holder but not really	hendrata01	2	111	Today, at 4:44 am spanferkel
	Just wonder seems easy	Tourish	10	204	Today, at 4:34 am spanferkel
	Logarithms	Spribo	9	130	Today, at 3:00 am Spribo
	Very hard problem from HNMO 2005-2006 Topic HNMO 1986-2009	Hesman	0	56	Today, at 2:44 am Hesman
	Hard Inequality for you HNMO 2007-2008	Hesman	2	152	Today, at 2:22 am Hesman
	Logarithm innequality All Russian Olympiad - Problem 11.5	April	3	703	Today, at 2:10 am kuing
	Ineq 27 (nice) not using mix variable	math10	6	154	Yesterday, at 11:56 am arqady
	trig question unknown [ Goto page: 1, 2 ]	sbos	20	3274	Yesterday, at 8:34 am Ji Chen
	nice or hard	VIMF	1	78	Yesterday, at 5:36 am kuing
	Hard inequality	mestav	3	87	Yesterday, at 5:07 am kuing
	Muirhead	cnyd	2	129	Yesterday, at 4:28 am mestav
	Nice inequality	lnnvnu	2	111	Yesterday, at 4:23 am caubetoanhoc94
	inequality	yaa	4	100	Yesterday, at 4:01 am kuing
	i can't prove	yaa	2	68	Yesterday, at 3:27 am yaa
	I can't prove it	lnnvnu	2	85	Thu Nov 19, 2009 11:05 pm beginner01
	\sqrt{1 + a^2} + \sqrt{1 + b^2} + \sqrt{1 +c^2} < 2+a+b+c	lnnvnu	1	74	Thu Nov 19, 2009 10:16 pm kuing
	Generalization of an IMO ('74, I think) problem Brazilian Math Olympiad, Problem 6	cyshine	3	672	Thu Nov 19, 2009 12:32 pm cyshine
	Hard inequality problem	Rose_joker	7	399	Thu Nov 19, 2009 1:03 am kuing
	Inequality for real numbers	MathUniverse	6	223	Wed Nov 18, 2009 9:02 pm kuing
	Generalized Lipschitz Functions	man.maiko	0	66	Wed Nov 18, 2009 6:56 pm man.maiko
	cyclic	mestav	1	96	Wed Nov 18, 2009 6:24 pm hedeng123
	a^3 + b^3 = c^3 INMO 2009 Problem 6 [ Goto page: 1, 2 ]	skand	22	3067	Wed Nov 18, 2009 12:59 pm enndb0x
	seems easy question	tang zy	3	208	Wed Nov 18, 2009 3:35 am spanferkel
	a^2+b^2+c^2+abc=4 reposted from a topic in Pre-Olympiad	blahblahblah	7	673	Wed Nov 18, 2009 2:42 am Ji Chen
	Inequality	jackie-chan01	0	140	Mon Nov 16, 2009 7:25 pm jackie-chan01
	/prod(x^{n+3}-x{n}+3)	Γιώργος	2	108	Mon Nov 16, 2009 2:37 pm lefmast
	Help me please	cnyd	3	137	Mon Nov 16, 2009 1:21 pm Γιώργος
	It seems to be true, but I couldn't prove it...	AquilaXi	3	313	Mon Nov 16, 2009 7:14 am AquilaXi
	simple and symmetric	mestav	2	150	Sun Nov 15, 2009 12:11 pm spanferkel
	Turkey NMO 2008 Problem 3 Turkey NMO 2008 Problem 3	mashel	10	2015	Sun Nov 15, 2009 6:28 am cnyd
	Find min hard,help	math10	0	85	Sat Nov 14, 2009 10:50 pm math10
	Inequality 5 variables	imedeen	2	154	Sat Nov 14, 2009 4:54 pm enndb0x
	Ineq 26	math10	0	82	Sat Nov 14, 2009 4:20 pm math10
	39th Austrian Mathematical Olympiad round1, problem1	valerie	6	662	Sat Nov 14, 2009 3:31 pm enndb0x
	Inequality in an acute triangle	dogcat	1	105	Sat Nov 14, 2009 7:57 am qwerty414
	Problem 6 of RMO 2007 (Regional Mathematical Olympiad-India) Elementry inequality	makar	3	402	Sat Nov 14, 2009 5:41 am Rijul saini
	Inequality from Mathvn	SomKim	2	222	Fri Nov 13, 2009 8:46 pm SomKim
	An interesting numeric inequality	man.maiko	6	253	Fri Nov 13, 2009 5:13 pm J.Y.Choi
	If x_1+x_2+x_3+x_4=0 ... ,find maximal value.	MathUniverse	5	255	Thu Nov 12, 2009 2:46 pm MathUniverse
	Proof "1/x > ln(1+1/x)"	airrafer	6	227	Thu Nov 12, 2009 2:32 am kunny
	sqrt[4]{8a(b+c)/(b+8c)(c+8b)}	dduclam	3	221	Thu Nov 12, 2009 1:14 am phymax
	Inequality (4a+1)	mahanmath	4	171	Wed Nov 11, 2009 4:25 pm Mathias_DK
	Nice inequality! I can't prove it	leedt26	5	418	Wed Nov 11, 2009 11:49 am Abdek
	inequality in positive reasl with strange condition by Pham Kim Hung	enndb0x	8	431	Wed Nov 11, 2009 6:54 am tuantam1lan
Display topics from previous: Sort by:

6409 Topics • Page 1 of 129 • 1, 2, 3, ..., 127, 128, 129 Next

Home » Olympiad Section » Inequalities » Inequalities Unsolved Problems

Jump to:

Who is Online
	Users browsing this forum: 0 Registered, 0 Hidden and 1 Guest Registered Users: None
	Legend: [ Administrator ][ Moderator ][ User ][ Bot ]

	New posts			Announcement
	No new posts			Sticky
	Popular			Event
	Locked			Moved
	You have posted in this topic

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
You cannot post calendar events in this forum