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Positive root isolation for poly-powers

  • East China Normal University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We consider a class of univariate real functions-poly-powers-That extend integer exponents to real algebraic exponents for polynomials. Our purpose is to isolate positive roots of such a function into disjoint intervals, which can be further easily computed up to any desired precision. To this end, we first classify poly-powers into simple and non-simple ones, depending on the number of linearly independent exponents. For the former, we present a complete isolation method based on Gelfond-Schneider theorem. For the latter, the completeness depends on Schanuel's conjecture. Finally experiential results demonstrate the effectivity of the proposed method.

源语言英语
主期刊名ISSAC 2016 - Proceedings of the 2016 ACM International Symposium on Symbolic and Algebraic Computation
编辑Markus Rosenkranz
出版商Association for Computing Machinery
325-332
页数8
ISBN(电子版)9781450343800
DOI
出版状态已出版 - 20 7月 2016
活动41st ACM International Symposium on Symbolic and Algebraic Computation, ISSAC 2016 - Waterloo, 加拿大
期限: 20 7月 201622 7月 2016

出版系列

姓名Proceedings of the International Symposium on Symbolic and Algebraic Computation, ISSAC
20-22-July-2016

会议

会议41st ACM International Symposium on Symbolic and Algebraic Computation, ISSAC 2016
国家/地区加拿大
Waterloo
时期20/07/1622/07/16

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