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Unitary decomposition is a widely used method to map quantum algorithms to an arbitrary set of quantum gates. Efficient implementation of this decomposition allows for translation of bigger unitary gates into elementary quantum operations,…

量子物理 · 物理学 2024-03-14 A. M. Krol , A. Sarkar , I. Ashraf , Z. Al-Ars , K. Bertels

Causal sets are particular partially ordered sets which have been proposed as a basic model for discrete space-time in quantum gravity. We show that the class C of all countable past-finite causal sets contains a unique causal set (U,<)…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Manfred Droste

Learning models that offer robust out-of-distribution generalization and fast adaptation is a key challenge in modern machine learning. Modelling causal structure into neural networks holds the promise to accomplish robust zero and few-shot…

机器学习 · 计算机科学 2022-06-10 Nino Scherrer , Anirudh Goyal , Stefan Bauer , Yoshua Bengio , Nan Rosemary Ke

The proposed theory of causally structured discrete fields studies integer values on directed edges of a self-similar graph with a propagation rule, which we define as a set of valid combinations of integer values and edge directions around…

广义相对论与量子宇宙学 · 物理学 2020-01-30 K. V. Bayandin

Causal inference in cue combination is to decide whether the cues have a single cause or multiple causes. Although the Bayesian causal inference model explains the problem of causal inference in cue combination successfully, how causal…

神经与进化计算 · 计算机科学 2015-09-04 Zhaofei Yu , Feng Chen , Jianwu Dong , Qionghai Dai

Quantum contextuality is a limitation on deterministic hidden variable models, testable in measurement scenarios where outcomes differ under quantum or classical descriptions due to a common set of constraints. When considering measurements…

量子物理 · 物理学 2025-09-25 Colm Kelleher , Frédéric Holweck

Complex dynamical systems are prevalent in many scientific disciplines. In the analysis of such systems two aspects are of particular interest: 1) the temporal patterns along which they evolve and 2) the underlying causal mechanisms.…

统计方法学 · 统计学 2022-05-31 Nicolas-Domenic Reiter , Andreas Gerhardus , Jakob Runge

Causal learning is a beneficial approach to analyze the cause and effect relationships among variables in a dataset. A causal graph can be generated from a dataset using a particular causal algorithm, for instance, the PC algorithm or Fast…

机器学习 · 计算机科学 2019-10-09 Teny Handhayani , James Cussens

Multi-objective optimization of analog circuits is hindered by high-dimensional parameter spaces, strong feedback couplings, and expensive transistor-level simulations. Evolutionary algorithms such as Non-dominated Sorting Genetic Algorithm…

神经与进化计算 · 计算机科学 2025-10-14 Dinithi Jayasuriya , Divake Kumar , Sureshkumar Senthilkumar , Devashri Naik , Nastaran Darabi , Amit Ranjan Trivedi

The fundamental challenge in causal induction is to infer the underlying graph structure given observational and/or interventional data. Most existing causal induction algorithms operate by generating candidate graphs and evaluating them…

Causal thinking enables humans to understand not just what is seen, but why it happens. To replicate this capability in modern AI systems, we introduce the task of visual causal discovery. It requires models to infer cause-and-effect…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yize Zhang , Meiqi Chen , Sirui Chen , Bo Peng , Yanxi Zhang , Tianyu Li , Chaochao Lu

This paper introduces a collection of four data sets, similar to Anscombe's Quartet, that aim to highlight the challenges involved when estimating causal effects. Each of the four data sets is generated based on a distinct causal mechanism:…

统计方法学 · 统计学 2023-07-20 Lucy D'Agostino McGowan , Travis Gerke , Malcolm Barrett

While recent debiasing methods for Scene Graph Generation (SGG) have shown impressive performance, these efforts often attribute model bias solely to the long-tail distribution of relationships, overlooking the more profound causes stemming…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Li Liu , Shuzhou Sun , Shuaifeng Zhi , Fan Shi , Zhen Liu , Janne Heikkilä , Yongxiang Liu

Causal inference remains a fundamental challenge for large language models. Recent advances in internal reasoning with large language models have sparked interest in whether state-of-the-art reasoning models can robustly perform causal…

人工智能 · 计算机科学 2025-08-01 Kacper Kadziolka , Saber Salehkaleybar

We introduce computational causal inference as an interdisciplinary field across causal inference, algorithms design and numerical computing. The field aims to develop software specializing in causal inference that can analyze massive…

统计计算 · 统计学 2020-07-22 Jeffrey C. Wong

A one parameter family of retarded linear operators on scalar fields on causal sets is introduced. When the causal set is well-approximated by 4 dimensional Minkowski spacetime, the operators are Lorentz invariant but nonlocal, are…

广义相对论与量子宇宙学 · 物理学 2011-11-02 Dionigi M. T. Benincasa , Fay Dowker

This article presents a simplified version of the author's previous work. We first construct a causal growth process (CGP). We then form path Hilbert spaces using paths of varying lengths in the CGP. A sequence of positive operators on…

数学物理 · 物理学 2013-05-23 Stan Gudder

We use a random search technique to find quantum gate sequences that implement perfect quantum state preparation or unitary operator synthesis with arbitrary targets. This approach is based on the recent discovery that there is a large…

量子物理 · 物理学 2024-10-25 Sahel Ashhab , Fumiki Yoshihara , Miwako Tsuji , Mitsuhisa Sato , Kouichi Semba

This paper focuses on causal structure estimation from time series data in which measurements are obtained at a coarser timescale than the causal timescale of the underlying system. Previous work has shown that such subsampling can lead to…

人工智能 · 计算机科学 2016-07-14 Antti Hyttinen , Sergey Plis , Matti Järvisalo , Frederick Eberhardt , David Danks

Higher-order gravity models have been recently the subject of much attention in the context of cosmic acceleration. These models are derived by adding various curvature invariants to the Einstein-Hilbert action. Several studies showed that…

天体物理学 · 物理学 2014-11-18 Mustapha Ishak , Jacob Moldenhauer