UNSOLVED PROBLEMS

In Number Theory, Logic, and Cryptography

Contributions and Proposed Solutions

This page provides a means for authors to have their papers made available for open inspection and feedback.  All contributions are as supplied by the author, and are not peer-reviewed.

Constructive feedback is encouraged, and should be sent direct to the relevant author, or posted to the companion discussion group, https://groups.io/g/UnsolvedProblems/topics,where questions can be asked and any of the problems or potential solutions discussed.

If you wish to have a contribution published here, please read the FAQ, and then contact me.

 

#146: A contribution to the Beal Conjecture. Submitted by Stefano Maruelli, 9.00 GMT, Wednesday 25th November 2020.

Removed at the request of the author.

#145: A contribution to the Goldbach Conjecture. Submitted by Francesco Martingano, 15.00 GMT, Sunday 11th October 2020.

Click here for full text.

#144: A contribution to the Collatz Conjecture. Submitted by G駻ard Gombert, 7.30 GMT, Wednesday 4th August 2020.

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#143: A contribution to Fermat's Last Theorem. Submitted by Stefano Maruelli, 22.00 GMT, Tuesday 28th July 2020.

Removed at the request of the author.

#142: A contribution to the Prime number distribution. Submitted by Vincent Preemen, 19.30 GMT, Sunday 26th July 2020.

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#140: A contribution to the Odd Perfect Number problem. Submitted by Enrique Santos, 18.30 GMT, Tuesday 7th July 2020.

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#139: A contribution to the Perfect Cuboid problem. Submitted by Somnath Maiti, 22.30 GMT, Monday 22nd June 2020.

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#138: A contribution to the Discrete Logarithm problem and the RSA challenge. Submitted by Fabrice Boudot, 06.30 GMT, Friday 12th June 2020.

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#137: A contribution to the Riemann Hypothesis. Submitted by Devin Hardy, 02.00 GMT, Tuesday 9th June 2020.

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#136: A contribution to the Beal Conjecture. Submitted by Don Blazys, 22.30 GMT, Tuesday 15th December 2009.

Click here for full text and here for a more abbreviated version.

#135: A contribution to the Collatz Conjecture. Submitted by Alf Clark, 18.30 GMT, Wednesday 20th May 2020.

Click here and here for full text.

#134: A contribution to the Riemann Hypothesis. Submitted by J P Morvan, 15.45 GMT, Friday 7th February 2020.

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#133: A contribution to the Riemann Hypothesis. Submitted by Pal Doroszlai, 19.45 GMT, Friday 31st January 2020.

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#132: A contribution to the Divisor Summatory Function. Submitted by Vincent Preemen, 21.15 GMT, Tuesday 28th January 2020.

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#131: A contribution to the Riemann Hypothesis. Submitted by Pal Doroszlai, 12.00 GMT, Tuesday 24th December 2019.

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#130: A contribution to the Perfect Cuboid Problem.

Removed at the request of the author.

#129: A contribution to the mathematical laws that regulate prime numbers. Submitted by Filippo Giordano, 21.00 GMT, Tuesday 26th November 2019.

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#128: A contribution to the Collatz Conjecture. Submitted by Sean Hannifin, 20.30 GMT, Saturday 23rd November 2019.

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#126: The solution to the Dorabella Cipher. Submitted by Tim Roberts, 22.45 GMT, Thursday 1st August 2019.

This is a slightly amended version of a paper previously publsihed in 2014. Click here for full text.

#125: A contribution to the Fermat's Last Theorem. Submitted by Dawit Geinamo, 21.00 GMT, Friday 24th May 2019.

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#124: A contribution to the Discrete Logarithm Problem. Submitted by Daniel Flatow, 23.30 GMT, Friday 8th March 2019.

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#123: A contribution to a conjecture re Divisor Summatory Problems. Submitted by Vincent Preemen, 21.15 GMT, Tuesday 5th March 2019.

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#122: A contribution to a conjecture re Prime Number Series. Submitted by Alessandro Boatto, 8.00 GMT, Wednesday 27th February 2019.

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#121: A contribution to the Dorabella Cipher. Submitted by Alessandro Boatto, 8.00 GMT, Wednesday 27th February 2019.

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#120: A contribution to the Riemann Hypothesis. Submitted by Tomas Perna, 12.15 GMT, Tuesday 26th February 2019.

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#119: A contribution to the ABC Conjecture. Submitted by Nicholas Wright, 02.30 GMT, Monday 25th February 2019.

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#118: A contribution to the Collatz Conjecture. Submitted by Gerard Gombert, 18.00 GMT, Friday 22nd February 2019.

Click here (for page 1) and here (for page 2).

#117: A contribution to Goldbach's Conjecture. Submitted by Nurlan Gasimli, 17.15 GMT, Wednesday 23rd January 2019.

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An archive of some older articles published prior to 2019 can be found here.

 

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Tim S Roberts

Email: timro21@gmail.com