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相关论文: Causa prima: cosmology meets causal discovery for …

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Correlation does not imply causation, but patterns of statistical association between variables can be exploited to infer a causal structure (even with purely observational data) with the burgeoning field of causal discovery. As a purely…

We present the first steps toward applying causal representation learning to astronomy. Following up on previous work that introduced causal discovery to the field for the first time, here we solve a long standing conundrum by identifying…

星系天体物理 · 物理学 2024-10-22 Zehao Jin , Mario Pasquato , Benjamin L. Davis , Andrea V. Macciò , Yashar Hezaveh

This study forecasts the constraints on the properties of primordial black holes (PBHs) as a cold dark matter component using the galaxy clustering, weak lensing, and galaxy-galaxy lensing (i.e. $3\times2$pt) measurements from the upcoming…

宇宙学与河外天体物理 · 物理学 2026-05-28 Dingao Hu , Yan Gong , Pengfei Su , Hengjie Lin , Haitao Miao , Qi Xiong , Xuelei Chen

Data-driven astrophysics currently relies on the detection and characterisation of correlations between objects' properties, which are then used to test physical theories that make predictions for them. This process fails to utilise…

星系天体物理 · 物理学 2026-03-17 Harry Desmond , Joseph Ramsey

Next-generation ground-based gravitational wave (GW) detectors are expected to observe millions of binary black hole mergers, a fraction of which will be strongly lensed by intervening galaxies or clusters, producing multiple images with…

宇宙学与河外天体物理 · 物理学 2026-01-16 Huan Zhou , Bin Liu , Zheng-Xiang Li , Xi-Jing Wang , Kai Liao

The aim in many sciences is to understand the mechanisms that underlie the observed distribution of variables, starting from a set of initial hypotheses. Causal discovery allows us to infer mechanisms as sets of cause and effect…

机器学习 · 计算机科学 2025-03-05 Ashka Shah , Adela DePavia , Nathaniel Hudson , Ian Foster , Rick Stevens

The nascent methodology of applying the principles of causal discovery to astrophysical data has produced affirming results about deeply held theories concerning the causal nature behind the observed coevolution of supermassive black holes…

星系天体物理 · 物理学 2026-02-20 Benjamin L. Davis , Saakshi More , Zehao Jin , Mario Pasquato , Andrea Valerio Macciò , Feng Yuan

While feedback loops are known to play important roles in many complex systems, their existence is ignored in a large part of the causal discovery literature, as systems are typically assumed to be acyclic from the outset. When applying…

统计理论 · 数学 2023-09-18 Joris M. Mooij , Tom Claassen

Causal discovery is central to inferring causal relationships from observational data. In the presence of latent confounding, algorithms such as Fast Causal Inference (FCI) learn a Partial Ancestral Graph (PAG) representing the true model's…

机器学习 · 计算机科学 2025-05-13 Adèle H. Ribeiro , Dominik Heider

Many questions in science center around the fundamental problem of understanding causal relationships. However, most constraint-based causal discovery algorithms, including the well-celebrated PC algorithm, often incur an exponential number…

机器学习 · 计算机科学 2024-06-05 Kirankumar Shiragur , Jiaqi Zhang , Caroline Uhler

Discovering causal relations from observational time series without making the stationary assumption is a significant challenge. In practice, this challenge is common in many areas, such as retail sales, transportation systems, and medical…

机器学习 · 计算机科学 2024-07-11 Shanyun Gao , Raghavendra Addanki , Tong Yu , Ryan A. Rossi , Murat Kocaoglu

The multi-parameter character of supersymmetric dark-matter models implies the combination of their experimental studies with astrophysical and cosmological probes. The physics of the early Universe provides nontrivial effects of…

宇宙学与河外天体物理 · 物理学 2015-06-01 Maxim Khlopov

A universal mechanism may be responsible for several unresolved cosmic conundra. The sudden drop in the pressure of relativistic matter at $W^{\pm}/Z^{0}$ decoupling, the quark--hadron transition and $e^{+}e^{-}$ annihilation enhances the…

宇宙学与河外天体物理 · 物理学 2020-12-16 Bernard Carr , Sebastien Clesse , Juan Garcia-Bellido , Florian Kuhnel

We present the results of the first multi-scale N-Body+SPH simulations of merging galaxies containing central supermassive black holes (SMBHs) and having a spatial resolution of only a few parsecs. Strong gas inflows associated with…

天体物理学 · 物理学 2015-06-24 Lucio Mayer , Stelios Kazantzidis , Piero Madau , Monica Colpi , Thomas Quinn , James Wadsley

This work is related to different questions within cosmology. The principal idea herein is to develop cosmological knowledge making use of the analyses of observational data in order to find the values of the matter density Omega_m and…

天体物理学 · 物理学 2007-05-23 S. M. Harun-or-Rashid

The causal set approach to the problem of quantum gravity is based on the hypothesis that spacetime is fundamentally discrete. Spacetime discreteness opens the door to novel types of dynamical law for cosmology and the Classical Sequential…

广义相对论与量子宇宙学 · 物理学 2017-03-23 Fay Dowker , Stav Zalel

Supermassive black hole (SMBH) binary systems are unavoidable outcomes of galaxy mergers. Their dynamics encode information about their formation and growth, the composition of their host galactic nuclei, the evolution of galaxies, and the…

星系天体物理 · 物理学 2026-02-17 Hanxi Wang , Miguel Zumalacárregui , Bence Kocsis

Today, both particle physics and cosmology are described by few parameter Standard Models, i.e. it is possible to deduce consequence of particle physics in cosmology and vice verse. The former is examined in this lecture, in light of the…

高能物理 - 唯象学 · 物理学 2014-12-05 P. Pralavorio

Sufficiently large scalar perturbations in the early Universe can create over-dense regions that collapse into primordial black holes (PBH). This process is accompanied by the emission of scalar-induced gravitational waves (SIGW) that…

宇宙学与河外天体物理 · 物理学 2023-07-06 Junsong Cang , Yin-Zhe Ma , Yu Gao

The lack of experimental evidence at the LHC for physics beyond the Standard model (BSM) of elementary particles together with necessity of its existence to provide solutions of internal problems of the Standard model (SM) as well as of…

高能物理 - 唯象学 · 物理学 2019-11-11 Maxim Yu. Khlopov
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