CoCoA » CoCoALib

04 Mar 2015

20:08 Feature #667: factor: multivariate + finite characteristic

Factorizing in @F_q[x]@ is largely the same as factorizing in @F_p[x]@; the algorithm is essentially the same (but co... John Abbott

16:45 Feature #667: factor: multivariate + finite characteristic

John Abbott wrote:
> The squarefree decomposition is the normal first step, but there are other problematic steps (_... Anna Maria Bigatti

13:31 Feature #667: factor: multivariate + finite characteristic

The squarefree decomposition is the normal first step, but there are other problematic steps (_e.g._ mapping down to ... John Abbott

02 Mar 2015

11:23 Feature #667 (New): factor: multivariate + finite characteristic

(if I remember well)
The problem about factorizing a multivariate polynomial in finite characteristic was just the s... Anna Maria Bigatti

27 Feb 2015

13:36 Bug #666 (In Progress): RatReconstructByLattice fails in some simple cases

I now think that the problem may really be imprecise documentation.
John Abbott

19 Feb 2015

17:56 Bug #666: RatReconstructByLattice fails in some simple cases

It seems that *both* @RatReconstructByContFrac@ and @RatReconstructByLattice@ *fail* on (1,N) for N < 1145. Then the... John Abbott

15:04 Bug #666: RatReconstructByLattice fails in some simple cases

I ran the following to compare when ContFrac and Lattice methods are better... John Abbott

15:01 Bug #666 (Closed): RatReconstructByLattice fails in some simple cases

@RatReconstructByLattice(1,1145)@ returns failure -- why?? John Abbott