The Jacobian Conjecture is stably equivalent to the Dixmier Conjecture

Details The Jacobian Conjecture is stably equivalent to the Dixmier Conjecture The Jacobian Conjecture is stably equivalent to the Dixmier Conjecture

2005-12-08

arxiv.org/abs/math/0512171v2

Mathematics

Rings and Algebras

12 pages

Scientific paper

The Jacobian conjecture in dimension $n$ asserts that any polynomial endomorphism of $n$-dimensional affine space over a field of zero characteristic, with the Jacobian equal 1, is invertible. The Dixmier conjecture in rank $n$ asserts that any endomorphism of the $n$-th Weyl algebra (the algebra of polynomial differential operators in $n$ variables) is invertible. We prove that the Jacobian conjecture in dimension $2n$ implies the Dixmier conjecture in rank $n$. Together with a well-known implication in the opposite direction, it shows that the stable Jacobian and Dixmier conjectures are equivalent. The main tool of the proof is the reduction to finite characteristic. After the paper was finished we have learned that the main result was already published by Y.Tsuchimoto in Osaka Journal of Mathematics Volume 42, Number 2 (June 2005). His proof is different.

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