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TitleThe Gröbner fan and Gröbner walk for modules
Author(s) Ruth L. Auerbach
TypeArticle in Journal
AbstractThis paper extends the theory of the Gröbner fan and Gröbner walk for ideals in polynomial rings to the case of submodules of free modules over a polynomial ring. The Gröbner fan for a submodule creates a correspondence between a pair consisting of a cone in the fan and a point in the support of the cone and a pair consisting of a leading monomial submodule (or equivalently, a reduced marked Gröbner basis) and a grading of the free module over the ring that is compatible with the choice of leading monomials. The Gröbner walk is an algorithm based on the Gröbner fan that converts a given Gröbner basis to a Gröbner basis with respect to a different monomial order; the point being that the Gröbner walk can be more efficient than the standard algorithms for Gröbner basis computations with difficult monomial orders. Algorithms for generating the Gröbner fan and for the Gröbner walk are given.
KeywordsGröbner fan for modules, Gröbner walk
Length27
File
URL dx.doi.org/10.1016/j.jsc.2004.07.002
LanguageEnglish
JournalJournal of Symbolic Computation
Volume39
Number2
Pages127-153
Year2005
MonthFebruary
Translation No
Refereed No
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