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A Tropical F5 algorithm. (arXiv:1705.05571v1 [cs.SC])
来源于:arXiv
Let K be a field equipped with a valuation. Tropical varieties over K can be
defined with a theory of Gr{\"o}bner bases taking into account the valuation of
K. While generalizing the classical theory of Gr{\"o}bner bases, it is not
clear how modern algorithms for computing Gr{\"o}bner bases can be adapted to
the tropical case. Among them, one of the most efficient is the celebrated F5
Algorithm of Faug{\`e}re. In this article, we prove that, for homogeneous
ideals, it can be adapted to the tropical case. We prove termination and
correctness. Because of the use of the valuation, the theory of tropical
Gr{\"o}b-ner bases is promising for stable computations over polynomial rings
over a p-adic field. We provide numerical examples to illustrate
time-complexity and p-adic stability of this tropical F5 algorithm. 查看全文>>