primenumbers at Yahoo! Groups

Re: Lehmer's Totient Problem Solved

leavemsg1 — Fri, 24 May 2013 23:34:59 GMT

I've presented to you the basics of how the proof would take place. If you'd like to work through a few details to improve upon my idea, then do so. If you

Diophantine equation

Sebastian Martin Ruiz — Fri, 24 May 2013 18:21:35 GMT

Hello all: Let c an even positive integer number fixed. Consider the quadratic equation in two variables: -3x^2+y^2-2xy-4cx+4cy+4=0 Can anyone prove that for

Re: Lehmer's Totient Problem Solved

Jose Ramón Brox — Fri, 24 May 2013 10:43:39 GMT

Note that phi(bC)=phi(b)phi(C) if and only if gcd(b,C)=1, but it could be that C=bC'. Regards, Jose Brox 2013/5/24 leavemsg1 ... -- La

Lehmer's Totient Problem Solved

leavemsg1 — Fri, 24 May 2013 02:03:01 GMT

a copy of this proof can be found at www.oddperfectnumbers.com ... D. H. Lehmer's (1932) Totient Conjecture Stated: phi(n) divides (n -1) iff 'n' is prime.

Re: Flat ternary cyclotomic polynomials

djbroadhurst — Thu, 23 May 2013 15:15:43 GMT

... On who regularly publishes, in mathematical journals, articles that do not derive principally from other subjects, such as physics. David (pleading not

Re: Flat ternary cyclotomic polynomials

whygee@... — Thu, 23 May 2013 14:56:13 GMT

... What's a "proper mathematician" ?

Re: Flat ternary cyclotomic polynomials

djbroadhurst — Thu, 23 May 2013 13:47:26 GMT

... Sam Elder, at MIT, has made impressive progress http://arxiv.org/abs/1207.5811 on this subject, which Phil Carmody and I studied on this list, with

Re:

djbroadhurst — Wed, 22 May 2013 02:41:45 GMT

... Greetings, Thamer. It seems that you and your brother Ragheb developed a sieve when at school

Re:

Mohsen Afshin — Tue, 21 May 2013 12:29:32 GMT

Thamer, and you published your work somewhere or it's a mystery yet? ... -- "Mathematics is the queen of the sciences and number theory is the queen of

thamer mm — Tue, 21 May 2013 12:16:21 GMT

Hi . I am a Jordanian researcher in the number theory field . I discover the fastest theory about finding prime numbers . Thamer M. Masarweh [Non-text

Re: Unread heros of Math & Physics

whygee@... — Tue, 21 May 2013 12:05:30 GMT

ckickable, non-wrapped link : http://www.1000-annonces.com/agrege-et-kholleur-de-physique-en-classes-prepas-IMGH1342442936_alien.jpg somehow, the one on the

Re: Unread heros of Math & Physics

j_chrtn — Tue, 21 May 2013 08:44:22 GMT

... Lorsque j'étais en classes préparatoires aux grandes écoles (ça date un peu maintenant), j'avais un bouquin de corrigés d'épreuves de Centrale,

Re: Unread heros of Math & Physics

djbroadhurst — Mon, 20 May 2013 20:30:39 GMT

... http://www.ams.org/notices/200808/tx080800930p.pdf is a big file [11 MB] by the author of what will become a 3-volume biography of Grothendieck. David

Re: Unread heros of Math & Physics

mikeoakes2 — Mon, 20 May 2013 14:27:09 GMT

... Thank you, David, for directing us to that intriguing article about a very strange man. ... In a brief memoir about Grothendieck, Ladegaillerie wrote: "I

Re: Unread heros of Math & Physics

djbroadhurst — Mon, 20 May 2013 12:27:46 GMT

... Phil's guess about the primality of 91 was bettered by Grothendieck's guess about the primality of 57: