Endomorphisms of the plane sending linear coordinates to coordinates
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- by Charles Ching-An Cheng and Arno van den Essen PDF
- Proc. Amer. Math. Soc. 128 (2000), 1911-1915 Request permission
Abstract:
Let $k$ be a field of characteristic zero. We show that an endomorphism of $k[X_{1},X_{2}]$ which sends each linear coordinate to a coordinate is an automorphism of $k[X_{1},X_{2}]$.References
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Additional Information
- Charles Ching-An Cheng
- Affiliation: Department of Mathematics, Oakland University, Rochester, Michigan 48309
- Email: cheng@oakland.edu
- Arno van den Essen
- Affiliation: Department of Mathematics, University of Nijmegen, Nijmegen, The Netherlands
- Email: essen@sci.kun.nl
- Received by editor(s): December 12, 1997
- Received by editor(s) in revised form: September 1, 1998
- Published electronically: February 25, 2000
- Communicated by: Wolmer V. Vasconcelos
- © Copyright 2000 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 128 (2000), 1911-1915
- MSC (1991): Primary 13B25, 13F20, 14E09, 16W20
- DOI: https://doi.org/10.1090/S0002-9939-00-05236-9
- MathSciNet review: 1653437