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UNSOLVED PROBLEMS

in Number Theory, Logic, and Cryptography


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Introduction
What's New?
FAQ
Chromatic Number
Collatz
Dorabella Cipher
Euler's Brick
Goldbach
Legendre
Odd Perfect Number
Riemann Hypothesis
RSA Challenge
Square of Squares
Twin Primes
Voynich Manuscript
Zodiac
Solutions
Math Tuition

 

FAQ

 

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What is the purpose of the site?

 

To encourage thought and discussion of some of the outstanding problems in number theory, logic and cryptography.

 

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How come so many outstanding problems are missing?

 

This site makes no attempt to provide an exhaustive list, which would in any case be gargantuan.  It concentrates only on problems which are easily understandable to the amateur.

 

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Where can I find more comprehensive lists?

 

At the MathWorld site, at http://mathworld.wolfram.com/, and at the Millennium Prizes site, at http://www.claymath.org/millennium/, and at lots of other places.

 

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What if I want to suggest other problems for your site?

 

Please feel free, suggestions are very welcome.  But to be eligible here, please note that the problem must be such as can be understood by an amateur, and describable on a single web page (with a diagram or two if necessary).  Email me here.

 

bulletWhat do I do if I've solved one of the problems?

You are strongly encouraged to submit your solution to a recognized conference or journal and have it peer-reviewed.  If you want to have your solution published on this site, then email me here, but please note that you will be asked to submit a fee of US$49. 

bulletWhy do you charge a fee?

To discourage kooks.  Every famous mathematician and scientist regularly receives many emails suggesting designs for perpetual motion machines, or solutions to the problem of trisecting the angle, or squaring the circle, despite the fact that all of these have been *proved* to be impossible. The fee is high enough, I hope, to discourage kooks, but low enough so as not to discourage genuine contributions.

bulletSo do you expect to make a lot of money?

Far from it.  On the contrary, I don't expect revenues (if any) to come remotely near to even covering the cost of maintaining this site. 

bulletOK, but I'm not a kook, I really do have a solution, and I want to publish it on the site.  What do I do?

Email me with your solution as an attachment (Word, rtf, or pdf document preferred), and agree to pay the fee for publication (US$49).  Your solution will be published on this site, and hence open to scrutiny by all.  The only requirement is that anything you submit must be less than 200kB in size, must address the problem in a serious manner, and must not be inflammatory or libellous.

bulletWhat rights do I retain if you publish my solution?

You retain complete rights over all words, ideas, concepts, and diagrams in your solution.  Publication here does not take any of your rights away at all.  On the contrary, because all solutions are published in full, with your own name (or pseudonym, if you prefer), and date and time of submission, your rights are established.

bulletI don't have a solution, but I'd like to discuss some ideas.  Where can I do that?

At the companion Yahoo group, http://tech.groups.yahoo.com/group/UnsolvedProblems/.  You can post to the group by sending a message to unsolvedproblems@yahoogroups.com.  Questions and feedback are welcomed.

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Why is the group moderated?

 

To prevent abuse and spam.  Genuine contributions will be approved wherever possible, and messages will normally appear within 24 hours of being posted.

 

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Can I contact you privately?

 

Sure, just email me.

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Home ] Introduction ] What's New? ] [ FAQ ] Chromatic Number ] Collatz ] Dorabella Cipher ] Euler's Brick ] Goldbach ] Legendre ] Odd Perfect Number ] Riemann Hypothesis ] RSA Challenge ] Square of Squares ] Twin Primes ] Voynich Manuscript ] Zodiac ] Solutions ] Math Tuition ]


       Site developed and maintained by Tim Roberts .
       Last modified: August 01, 2007                        v 016