p-adic interpolation of iterates

Extending work of Bell and of Bell, Ghioca, and Tucker, we prove that for a p-adic analytic self-map f on a closed unit polydisk, if every coefficient of f(x)−x has valuation greater than that of p [1over (p−1)], then the iterates of f can be p-adically interpolated; that is, there exists a function...

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Main Author: Poonen, Bjorn
Other Authors: Massachusetts Institute of Technology. Department of Mathematics
Format: Article
Language:en_US
Published: Oxford University Press 2015
Online Access:http://hdl.handle.net/1721.1/93150
https://orcid.org/0000-0002-8593-2792
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author Poonen, Bjorn
author2 Massachusetts Institute of Technology. Department of Mathematics
author_facet Massachusetts Institute of Technology. Department of Mathematics
Poonen, Bjorn
author_sort Poonen, Bjorn
collection MIT
description Extending work of Bell and of Bell, Ghioca, and Tucker, we prove that for a p-adic analytic self-map f on a closed unit polydisk, if every coefficient of f(x)−x has valuation greater than that of p [1over (p−1)], then the iterates of f can be p-adically interpolated; that is, there exists a function g(x,n) analytic in both x and n such that g(x,n)=f[superscript n](x) whenever n∈Z≥0.
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spelling mit-1721.1/931502022-09-26T14:29:05Z p-adic interpolation of iterates Poonen, Bjorn Massachusetts Institute of Technology. Department of Mathematics Poonen, Bjorn Extending work of Bell and of Bell, Ghioca, and Tucker, we prove that for a p-adic analytic self-map f on a closed unit polydisk, if every coefficient of f(x)−x has valuation greater than that of p [1over (p−1)], then the iterates of f can be p-adically interpolated; that is, there exists a function g(x,n) analytic in both x and n such that g(x,n)=f[superscript n](x) whenever n∈Z≥0. National Science Foundation (U.S.) (DMS-1069236) 2015-01-22T19:19:30Z 2015-01-22T19:19:30Z 2014-03 2013-08 Article http://purl.org/eprint/type/JournalArticle 0024-6093 1469-2120 http://hdl.handle.net/1721.1/93150 Poonen, B. “p-Adic Interpolation of Iterates.” Bulletin of the London Mathematical Society 46, no. 3 (June 1, 2014): 525–527. https://orcid.org/0000-0002-8593-2792 en_US http://dx.doi.org/10.1112/blms/bdu010 Bulletin of the London Mathematical Society Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Oxford University Press MIT web domain
spellingShingle Poonen, Bjorn
p-adic interpolation of iterates
title p-adic interpolation of iterates
title_full p-adic interpolation of iterates
title_fullStr p-adic interpolation of iterates
title_full_unstemmed p-adic interpolation of iterates
title_short p-adic interpolation of iterates
title_sort p adic interpolation of iterates
url http://hdl.handle.net/1721.1/93150
https://orcid.org/0000-0002-8593-2792
work_keys_str_mv AT poonenbjorn padicinterpolationofiterates