arXiv Open Access 2008

Computing the fixing group of a rational function

Jaime Gutierrez Rosario Rubio David Sevilla

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Abstrak

Let G=Aut_K (K(x)) be the Galois group of the transcendental degree one pure field extension K(x)/K. In this paper we describe polynomial time algorithms for computing the field Fix(H) fixed by a subgroup H < G and for computing the fixing group G_f of a rational function f in K(x).

Topik & Kata Kunci

cs.SC math.AC

Penulis (3)

Jaime Gutierrez

Rosario Rubio

David Sevilla

Format Sitasi

APA MLA BibTeX

Gutierrez, J., Rubio, R., Sevilla, D. (2008). Computing the fixing group of a rational function. https://arxiv.org/abs/0805.2331

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Informasi Jurnal

Tahun Terbit: 2008
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓