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Progress in probabilistic generative models has accelerated, developing richer models with neural architectures, implicit densities, and with scalable algorithms for their Bayesian inference. However, there has been limited progress in…

机器学习 · 统计学 2017-10-31 Dustin Tran , David M. Blei

Molecular communication is an expanding body of research. Recent advances in biology have encouraged using genetically engineered bacteria as the main component in the molecular communication. This has stimulated a new line of research that…

信息论 · 计算机科学 2012-09-13 Arash Einolghozati , Mohsen Sardari , Faramarz Fekr

We discuss the problem of galaxy correlations by considering the various methods by which this information can be obtained. We focus in particular on the volume limited three dimensional samples and discuss a new way to increase the scale…

天体物理学 · 物理学 2007-05-23 L. Pietronero , M. Montuori , F. Sylos Labini

Probabilities of causation provide principled ways to assess causal relationships but face computational challenges due to partial identifiability and latent confounding. This paper introduces both algorithmic simplifications, significantly…

From ancient philosophers to modern economists, biologists, and other researchers, there has been a continuous effort to unveil causal relations. The most formidable challenge lies in deducing the nature of the causal relationship: whether…

Better understanding our ability to control an interconnected system of entities has been one of the central challenges in network science. The theories of node and edge controllability have been the main methodologies suggested to find the…

系统与控制 · 电气工程与系统科学 2021-05-11 Milan van den Heuvel , Jannes Nys

We present a method which extends Monte Carlo studies to situations that require a large dynamic range in particle number. The underlying idea is that, in order to calculate the collisional evolution of a system, some particle interactions…

天体物理学 · 物理学 2009-11-13 C. W. Ormel , M. Spaans

The dynamics of infection spread in populations has received popular attention since the outbreak of Covid-19 and many statistical models have been developed. One of the interesting areas of research is short-time dynamics in confined,…

物理与社会 · 物理学 2025-01-22 Rahul Sheshanarayana , Prateek K. Jha

We present numerical results obtained from the modelling of a stochastic, highly connected and mobile community. The spread of attributes like health, disease among the community members is simulated using cellular automata on a planar 2…

种群与进化 · 定量生物学 2020-08-26 Ishant Tiwari , Pradeep Sarin , Punit Parmananda

A discrete model for computer simulations of the clustering dynamics of Social Amoebae is presented. This model incorporates the wavelike propagation of extracellular signaling cAMP, the sporadic firing of cells at early stage of…

细胞行为 · 定量生物学 2013-05-14 Yipeng Yang , Y. Charles Li

We simulate the growth of large-scale structure in the universe using a N-body code. By combining these simulations with a Monte-Carlo method, we generate galaxy distributions at present that reproduces the observed morphology-density…

天体物理学 · 物理学 2009-10-30 Hugo Martel , Premana Premadi , Richard Matzner

The size of cities is known to play a fundamental role in social and economic life. Yet, its relation to the structure of the underlying network of human interactions has not been investigated empirically in detail. In this paper, we map…

One of the fundamental hypotheses in observational cosmology is the validity of the so-called cosmic distance-duality relation (CDDR). In this paper, we perform Monte Carlo simulations based on the method developed in Holanda, Goncalves &…

宇宙学与河外天体物理 · 物理学 2015-01-30 R. S. Goncalves , J. S. Alcaniz , J. C. Carvalho , R. F. L. Holanda

We investigate Monte Carlo simulation strategies for determining the effective ("depletion") potential between a pair of hard spheres immersed in a dense sea of much smaller hard spheres. Two routes to the depletion potential are…

软凝聚态物质 · 物理学 2015-06-16 D. J. Ashton , V. Sanchez-Gil , N. B. Wilding

Many epidemic processes in networks spread by stochastic contacts among their connected vertices. There are two limiting cases widely analyzed in the physics literature, the so-called contact process (CP) where the contagion is expanded at…

计算物理 · 物理学 2010-02-19 S. Gomez , A. Arenas , J. Borge-Holthoefer , S. Meloni , Y. Moreno

Can we quantify the change of complexity throughout evolutionary processes? We attempt to address this question through an empirical approach. In very general terms, we simulate two simple organisms on a computer that compete over limited…

神经与进化计算 · 计算机科学 2016-01-05 Alyssa Adams , Hector Zenil , Eduardo Hermo Reyes , Joost Joosten

We study the formation and evolution of small groups of galaxies using new Monte Carlo simulations. These are directly based on the random walk approach to the statistics of condensations collapsing by gravitational instability, and the…

天体物理学 · 物理学 2007-05-23 P. Tozzi , F. Governato , A. Cavaliere

We introduce a general modeling framework to predict the outcomes, at the population level, of individual psychology and behavior. The framework prescribes that researchers build a cost function that embodies knowledge of what trait values…

物理与社会 · 物理学 2007-05-23 Pierluigi Contucci , Stefano Ghirlanda

We study the dynamical evolution of globular clusters containing populations of primordial binaries, using our newly updated Monte Carlo cluster evolution code with the inclusion of direct integration of binary scattering interactions. We…

天体物理学 · 物理学 2015-06-24 John M. Fregeau , Frederic A. Rasio

The investigation of correlations in Monte Carlo power iteration has been long dominated by the question of generational correlations and their effects on the estimation of statistical uncertainties. More recently, there has been a growing…

计算物理 · 物理学 2023-09-08 T. Bonnet , H. Belanger , D. Mancusi , A. Zoia