A Decision Procedure for Univariate Real Polynomials in Isabelle/HOL

A Decision Procedure for Univariate Real Polynomials in Isabelle/HOL
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Isabelle/HOL 中单变量实多项式的决策过程

DOI:
10.1145/2676724.2693166
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发表时间:
2015
期刊:
Proceedings of the 2015 Conference on Certified Programs and Proofs
影响因子:
--
通讯作者:
Manuel Eberl
Manuel Eberl
中科院分区:
--
文献类型:
--
作者:
Manuel Eberl

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Sturm序列是一种在给定区间内有效计算单变量实数多项式实根个数的方法。本文用交互定理证明者Isabelle/HOL将这一事实和一些有效构造Sturm序列的方法形式化。在此基础上,实现了Isabelle/HOL证明方法,以证明关于单变量实数多项式的实根数和相关性质(如非负性和单调性)的有趣陈述。
Sturm sequences are a method for computing the number of real roots of a univariate real polynomial inside a given interval efficiently. In this paper, this fact and a number of methods to construct Sturm sequences efficiently have been formalised with the interactive theorem prover Isabelle/HOL. Building upon this, an Isabelle/HOL proof method was then implemented to prove interesting statements about the number of real roots of a univariate real polynomial and related properties such as non-negativity and monotonicity.
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