|Bill Allombert on Sat, 07 Jul 2012 14:40:22 +0200|
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|Re: 2.3.4 is missing solutions in conditional thue|
On Sat, Jul 07, 2012 at 03:09:09PM +0300, Georgi Guninski wrote: > 2.3.4 on ubuntu x86_64 (installed from the package system). Hello Georgi, Which Ubuntu release are you using? It is my understanding that all recent Ubuntu release provides at least PARI 2.5.0. > Conditional thue is missing solutions: > > ? t=thue(thueinit(x^3+92*x+1,0),3^3);t > *** thue: Warning: Non trivial conditional class group. > *** May miss solutions of the norm equation. > %4 = [[3, 0]] > ? t=thue(thueinit(x^3+92*x+1,1),3^3);t > %5 = [[3, 0], [0, 3], [3, -276]] > > On 2.5.1 (coming with sage) don't get a warning and the result is correct. Yes, this was a known bug in PARI 2.3 which is fixed in 2.5.0. We do not support PARI 2.3 anymore. A lot of problem with thue() has been fixed in PARI 2.5. Cheers, Bill.