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UNSOLVED PROBLEMS |
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In Number Theory, Logic, and Cryptography |
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Contributions and Proposed Solutions |
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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 All contributions are as supplied by the author, and are not peer-reviewed.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.
#177: A contribution to the Great Goldenbach Conjecture, the Twin Prime Hypothesis, and Fermat's Last Theorem. Submitted by Cho Geon , 09.30 GMT, Saturday 18th October 2025, revised version submitted 08.30 GMT, Friday 24th October 2025. Click
#176: A contribution to the Goldbach Conjecture. Submitted by Kim Holleson , 21.30 GMT, Sunday 24th August 2025. Click
#175: A contribution to the Legendre Conjecture. Submitted by Kim Holleson , 00.30 GMT, Thursday 14th August 2025. Click
#174: A contribution to Brocard's Problem. Submitted by John Lucas , 10.30 GMT, Saturday 5th June 2025. Click
#173: A contribution to Fermat's Last Theorem. Submitted by Sylvain Bernier , 9.30 GMT, Friday 25th April 2025. Click
#172: A contribution to the Goldbach Conjecture. Submitted by Junho Eom , 2.30 GMT, Tuesday 30th July 2024. Click
#171: A contribution to the Goldbach Conjecture. Submitted by Ipolo Yves Desire , 19.30 GMT, Sunday 28th July 2024. Click
#170: A contribution to Fermat's Conjecture. Submitted by Olivier Massot , 15.00 GMT, Sunday 14th July 2024. Click
#169: A contribution to quantum gravitational electro-magnetism. Submitted by Peter Rodgers, 13.00 GMT, Thursday 30th May 2024. Click
#168: A contribution to the Riemann Hypothesis. Submitted by Ricardo Gil, 14.00 GMT, Tuesday 28th May 2024. Click
#167: A contribution to the Twin Prime Conjecture. Submitted by Patrick diCarlo, 14.00 GMT, Saturday 27th January 2024. Click
#166: A contribution to the Twin Prime Conjecture. Submitted by Kim Holleson, 18.00 GMT, Monday 8th January 2024. Removed at the request of the author.
#165: A contribution to the Riemann Hypothesis. Submitted by Nicholas Wright, 14.00 GMT, Saturday 28th October 2023. Click
#164: A contribution to the Fermat's Last Theorem. Submitted by Stefano Maruelli, 9.00 GMT, Wednesday 7th June 2023. Click
#163: A contribution to Legendre's Conjecture. Submitted by Wing K Yu , 23.00 GMT, Friday 14th April 2023. Click
#162: A contribution to the Riemann Hypothesis. Submitted by Tai Nakashima, 04.00 GMT, Monday 26th December 2022. Click
#161: A contribution to the Prime Gaps problem . Submitted by OOOVincentOOO , 18.00 GMT, Friday 10th June 2022. Click
#160: A contribution to the Collatz Conjecture. Submitted by Michael Williams , 21.00 GMT, Thursday 7th April 2022. Click
#158: A contribution to the Twin Primes Conjecture. Submitted by Antoni Cuenca, 6.00 GMT, Sunday 6th March 2022. Click
#157: A contribution to the Perfect Cuboid Problem. Submitted by Natalia V. Aleshkevich, 18.00 GMT, Saturday 5th March 2022. Click
#156: A contribution to the N-Queens Problem. Submitted by Alessandro Boatto, 15.00 GMT, Tuesday 22nd February 2022. Click
#154: A contribution to the Collatz Conjecture. Submitted by Gaurav Krishna, 14.30 GMT Monday 18th October 2021. Click
#153: A contribution to the Odd Perfect Number problem. Submitted by Enrique Santos, 20.30 GMT, Friday 6th July 2018, revised 19:30 GMT, Thursday 12th July 2018, resubmitted 12.00 GMT Monday 18th October 2021. Click
#152: A contribution to the Collatz Conjecture. Submitted by Adarsha Chandra, 6.30 GMT, Friday 24th September 2021, revised version submitted 7.15 GMT, Saturday 9th October 2021 Click
#151: A contribution to the Lonely Runner Conjecture. Submitted by Babacar Gueye, 22.00 GMT, Monday 6th September 2021. Click
#150: A contribution to Brocard's Problem. Submitted by Babacar Gueye, 11.30 GMT, Wednesday 1st September 2021. Click
#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
An archive of some older articles can be found here.
- This web site developed and maintained by Tim S Roberts Email: timro21@gmail.com |
