arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2407.18006cs.CCcs.CGcs.DScs.FLcs.LO
收藏

作为复杂性类的实数存在理论:一份概览

The Existential Theory of the Reals as a Complexity Class: A Compendium

Marcus Schaefer, Jean Cardinal, Tillmann Miltzow

AI总结:

本文综述了复杂性类 $\exists \mathbb{R}$ 的历史、动机与技术细节,并全面整理了计算几何、图绘制、机器学习等领域中 $\exists \mathbb{R}$ 完全和困难的问题及开放问题。

摘要:

我们综述了复杂性类 $\exists \mathbb{R}$,它刻画了判定实数存在理论的复杂性。复杂性类 $\exists \mathbb{R}$ 根植于两种不同的传统:一种基于 Blum-Shub-Smale 实计算模型,另一种则源于 Mnëv 和 Shor 关于定向拟阵实现空间普适性的研究。多年来,越来越多的问题被证明用 $\exists \mathbb{R}$ 而非 NP 来衡量其复杂性更为合适,特别是在计算几何、图绘制、博弈论以及逻辑和代数的某些领域。$\exists \mathbb{R}$ 也开始出现在机器学习、马尔可夫决策过程和概率推理的语境中。我们旨在收集一份全面的概览,涵盖 $\exists \mathbb{R}$ 完全和 $\exists \mathbb{R}$ 困难的问题,以及一长串开放问题。该概览列于我们综述的第三部分;对概览及其涉及领域的导览构成第二部分。第一部分向读者介绍作为复杂性类的实数存在理论,探讨其历史、动机、前景以及一些技术细节。

英文摘要:

We survey the complexity class $\exists \mathbb{R}$, which captures the complexity of deciding the existential theory of the reals. The class $\exists \mathbb{R}$ has roots in two different traditions, one based on the Blum-Shub-Smale model of real computation, and the other following work by Mnëv and Shor on the universality of realization spaces of oriented matroids. Over the years the number of problems for which $\exists \mathbb{R}$ rather than NP has turned out to be the proper way of measuring their complexity has grown, particularly in the fields of computational geometry, graph drawing, game theory, and some areas in logic and algebra. $\exists \mathbb{R}$ has also started appearing in the context of machine learning, Markov decision processes, and probabilistic reasoning. We have aimed at collecting a comprehensive compendium of problems complete and hard for $\exists \mathbb{R}$, as well as a long list of open problems. The compendium is presented in the third part of our survey; a tour through the compendium and the areas it touches on makes up the second part. The first part introduces the reader to the existential theory of the reals as a complexity class, discussing its history, motivation and prospects as well as some technical aspects.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑