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 December 3rd, 2017, 12:03 AM #1 Senior Member   Joined: Nov 2011 Posts: 243 Thanks: 2 Challenge: Open problems I have a challange: write as much as you can open problems, if it possible by cronological time. Let me see who is faster and smarter[smarter=I supposed]... So let go
 December 3rd, 2017, 12:54 AM #2 Senior Member   Joined: Feb 2016 From: Australia Posts: 1,737 Thanks: 606 Math Focus: Yet to find out. Some oldies are listed here.
 December 3rd, 2017, 12:56 AM #3 Global Moderator   Joined: Dec 2006 Posts: 19,951 Thanks: 1842 This is a poor idea, as hardly anyone would benefit.
 December 3rd, 2017, 01:18 AM #4 Senior Member   Joined: Nov 2011 Posts: 243 Thanks: 2 I don't think so. why it is poor? Sorry, if the challenge is hard. But I think that will be a benefit after all. You need only to take 5 minutes or 10 minutes. I meant that the people will throw what come to their heads. I meant that it will be fun!!! Sorry if it seem otherwise. [It's a human being task, not a google task.] Last edited by skipjack; December 3rd, 2017 at 01:59 AM.
 December 3rd, 2017, 02:06 AM #5 Global Moderator   Joined: Dec 2006 Posts: 19,951 Thanks: 1842 Unless a problem is very obscure, how could anyone know whether the problem is open without doing a web search?
 December 3rd, 2017, 03:38 AM #6 Senior Member   Joined: Nov 2011 Posts: 243 Thanks: 2 I never think about it. Thanks on your response!!! I was thinking about famous open problems. I know some: P = NP or P !=NP Zeta function I was thinking that every mathematicians know a little. So I was wrong. But thanks to you this post for me is not just, it is more. I know that in Israel there are articles on open problems. I like to read on open problems and I was thinking that else people do it. Well, I try in the next post or other will try [but I not meant to overflow the forum] to describe an open problems that it is known. I was thinking about famous problems. But you are right. I think that in the future, the surf fests will help to find a problem that they know that are open. You are very welcome!!!! Last edited by skipjack; December 3rd, 2017 at 12:36 PM. Reason: to change upper case to bold
 December 3rd, 2017, 04:05 AM #7 Global Moderator   Joined: Dec 2006 Posts: 19,951 Thanks: 1842 Did you mean to switch to upper case half way through that post?
 December 3rd, 2017, 04:52 AM #8 Senior Member   Joined: Nov 2011 Posts: 243 Thanks: 2 No, it's for highlight. Why? Is it not ok?
 December 3rd, 2017, 06:20 AM #9 Member   Joined: May 2013 Posts: 34 Thanks: 1 All caps makes it seem like your shouting. If you want emphasis, bold or underline works. Last edited by skipjack; December 3rd, 2017 at 12:36 PM.
 December 3rd, 2017, 11:35 AM #10 Senior Member   Joined: Nov 2011 Posts: 243 Thanks: 2 O.K. fine!!!!

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