Abstract | ||
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Let A/Q(t) be a finite extension. We describe algorithms for computing subfields and automorphisms of K/Q(t). As an application we give an algorithm for finding decompositions of rational functions in Q(c,). We also present an algorithm which decides if an extension L/Q(t) is a subfield of K In case [K: (Q(t)] = [L: Q(t)l we obtain a Q(t)-isomorphism test. Furthermore, we describe an algorithm which computes subfields of the normal closure of K/Q(t). |
Year | Venue | Keywords |
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2002 | EXPERIMENTAL MATHEMATICS | Galois groups,subfields,decompositions,algorithms |
Field | DocType | Volume |
Discrete mathematics,Topology,Combinatorics,Mathematical analysis,Automorphism,Algorithm,Galois group,Rational function,Mathematics | Journal | 11.0 |
Issue | ISSN | Citations |
2.0 | 1058-6458 | 2 |
PageRank | References | Authors |
0.62 | 3 | 1 |
Name | Order | Citations | PageRank |
---|---|---|---|
JüRgen KlüNers | 1 | 49 | 10.32 |