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A refined denominator bounding algorithm for multivariate linear difference equations

Published: 08 June 2011 Publication History

Abstract

We continue to investigate which polynomials can possibly occur as factors in the denominators of rational solutions of a given partial linear difference equation. In an earlier article we have introduced the distinction between periodic and aperiodic factors in the denominator, and we have given an algorithm for predicting the aperiodic ones. Now we extend this technique towards the periodic case and present a refined algorithm which also finds most of the periodic factors.

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  1. A refined denominator bounding algorithm for multivariate linear difference equations

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    cover image ACM Conferences
    ISSAC '11: Proceedings of the 36th international symposium on Symbolic and algebraic computation
    June 2011
    372 pages
    ISBN:9781450306751
    DOI:10.1145/1993886
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 08 June 2011

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    Author Tags

    1. difference equations
    2. rational solutions

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