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Again nice equations for nice groups

Author(s): Shreeram S. Abhyankar
Journal: Proc. Amer. Math. Soc. 124 (1996), 2967-2976.
MSC (1991): Primary 12F10, 14H30, 20D06, 20E22
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Abstract: Nice quartinomial equations are given for unramified coverings
of the affine line in nonzero characteristic $p$ with PSU$(2m-1,q')$ and
SU$(2m-1,q')$ as Galois groups where $m>1$ is any integer and $q'>1$ is any power of $p$.

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Additional Information:

Shreeram S. Abhyankar
Affiliation: Department of Mathematics, Purdue University, West Lafayette, Indiana 47907
Email: ram@cs.purdue.edu

DOI: 10.1090/S0002-9939-96-03471-5
PII: S 0002-9939(96)03471-5
Received by editor(s): March 21, 1995
Additional Notes: This work was partly supported by NSF grant DMS 91--01424 and NSA grant MDA 904--92--H--3035.
Communicated by: Ronald M. Solomon
Copyright of article: Copyright 1996, American Mathematical Society

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