Abstract
It has been long conjectured that ifn polynomialsf 1, …,f n inn variables have a (non-zero) constant Jacobian determinant then every polynomial can be expressed as a polynomial inf 1, …,f n. In this paper, various extra assumptions (particularly whenn=2) are shown to imply the conclusion. These conditions are discussed algebraically and geometrically.
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Razar, M. Polynomial maps with constant Jacobian. Israel J. Math. 32, 97–106 (1979). https://doi.org/10.1007/BF02764906
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DOI: https://doi.org/10.1007/BF02764906