Triangular Derivations of k[X1, X2,
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Daniel Daigle; Gene Freudenburg
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Article
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2001
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Elsevier Science
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English
⚖ 115 KB
It is shown that if k is a field of characteristic zero, then the kernel of any w x triangular k-derivation of k X , X , X , X is finitely generated as a k-algebra. This is obtained as a corollary of a more general result concerning triangular w x R-derivations of R X, Y, Z for certain rings R.