Research in Number Theory · 2018 · 21 citations · 6 references
Natural SciencesMathematicsRepresentation TheoryAbstract AlgebraArithmetic GeometryGalois RepresentationsGalois TheoryGroup TheoryLocal FieldsDirichlet CharactersDirichlet SeriesGlobal Fields
We prove that two global fields are isomorphic if and only if there is an isomorphism of groups of Dirichlet characters that preserves L -series.
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Kôji Uchida · Journal of the Mathematical Society of Japan · 1976 · 58 citations · Full text
Isomorphisms of Galois Groups of Algebraic Function Fields
Kôji Uchida · Annals of Mathematics · 1977 · 45 citations