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arXiv 0901.2998math.OCmath.AC
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多项式optimization的实理想与半定规划的对偶

Real ideal and the duality of semidefinite programming for polynomial optimization

Yoshiyuki Sekiguchi, Tomoyuki Takenawa, Hayato Waki

摘要:

研究了半代数集上多项式消失生成的理想,提出了一种基于柱面代数分解技巧的生成元计算算法。应用这些方法,可以等价地修改带有多项式等式约束的多项式最优化问题,使得相应的半定规划松弛问题没有对偶间隙.给出了理想实性的一些判别准则的初等证明。

英文摘要:

We study the ideal generated by polynomials vanishing on a semialgebraic set and propose an algorithm to calculate the generators, which is based on some techniques of the cylindrical algebraic decomposition. By applying these, polynomial optimization problems with polynomial equality constraints can be modified equivalently so that the associated semidefinite programming relaxation problems have no duality gap. Elementary proofs for some criteria on reality of ideals are also given.

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