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Pillars and towers of quadratic transformations

Author: Shreeram S. Abhyankar
Journal: Proc. Amer. Math. Soc. 139 (2011), 3067-3082
MSC (2010): Primary 14A05
Published electronically: January 19, 2011
MathSciNet review: 2811263
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Abstract: Infinite pillars of quadratic transformations are used to describe residue fields of subrings of finitely generated ring extensions of the ring of integers. Towers whose underlying quadratic transformations are finite pillars or nonpillars are employed for the construction of basic dicritical divisors.

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Additional Information

Shreeram S. Abhyankar
Affiliation: Department of Mathematics, Purdue University, West Lafayette, Indiana 47907

Keywords: DVRs, prime divisors, QDT sequences.
Received by editor(s): January 30, 2010
Received by editor(s) in revised form: August 7, 2010
Published electronically: January 19, 2011
Communicated by: Bernd Ulrich
Article copyright: © Copyright 2011 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.