2003/07/07 by Susumu Oda, Oda, Susumu
Computer Science · Mathematics · #13C20 #Advanced Differential Equations and Dynamical Systems #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #Commutative Algebra (math.AC) #FOS: Mathematics #Polynomial and algebraic computation #math.AC #math.AG #msc:13C20
paper · pdf · doi:10.48550/arxiv.math/0307080
16 pages, Examine the proof(2) in Theorem 2.1
openalex publication_date 2003/07/07 · arxiv created 2007/07/21 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Let S be a polynomial ring over a field of characteristic zero in finitely may variables. Let T be an unramified, finitely generated extension of S with T^× = k^×. Then T = S.