NEWS in SINGULAR 2-0-6

The current version 2-0-6 is an update to the release series version 2-0.

Changes with respect to version 2-0-5:

Extensions of the ring concept

Again optimization in monomial representation.

Weights for generators of free modules


attrib(m,"isHomog"); - the weights as intvec;
attrib(im,"rowShift"); - the shift of a betti diagram. For details: see the help entry of attrib.

Bug fixes w.r.t. module weights in the betti command and several commands to compute resolutions.

Implementation of the Fractal Walk

see frwalk.

Changes in SINGULAR libraries

The documentation of libraries was generally improved.
gmssing_lib gmspoly_lib
new libraries.
primdec_lib
optimizations again
groebner
groebner for polynomials with rational funtions as coefficients

Internal Changes

normal form computation over the rationals improved
NTL
NTL is used for univariate gcd
source code
adapted for use with gcc 3.1/3.2/3.3, gmp 4.x, NTL 5.3.x, some syntax changes for gcc 3.4

Porting


 Singular version 2-0-6, November 2004, generated by texi2html.