Geodesic
Factors of Fields
Canadian mathematical bulletin, Tome 33 (1990) no. 1, pp. 79-83

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DOI

Let L be a finitely generated extension of a field k. L is a k-rational factor if there is a field extension K of k such that the total quotient ring of L ꕕk K is a rational (pure transcendental) extension of K. We present examples of non-rational rational factors and explicitly determine both factors.
DOI : 10.4153/CMB-1990-014-6
Mots-clés : 12F20, 14J26 
Deveney, James K.; Yanik, Joe. Factors of Fields. Canadian mathematical bulletin, Tome 33 (1990) no. 1, pp. 79-83. doi: 10.4153/CMB-1990-014-6
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     title = {Factors of {Fields}},
     journal = {Canadian mathematical bulletin},
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     year = {1990},
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     number = {1},
     doi = {10.4153/CMB-1990-014-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-014-6/}
}
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