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The ultimate goal of most scientific studies is to understand the underlying causal mechanism between the involved variables. Structural causal models (SCMs) are widely used to represent such causal mechanisms. Given an SCM, causal queries…

机器学习 · 统计学 2025-03-21 Beate Sick , Oliver Dürr

The direct computation of the third-order normal form for a geometrically nonlinear structure discretised with the finite element (FE) method, is detailed. The procedure allows to define a nonlinear mapping in order to derive accurate…

计算工程、金融与科学 · 计算机科学 2022-05-26 Alessandra Vizzaccaro , Yichang Shen , Loïc Salles , Jiří Blahoš , Cyril Touzé

The continuous modal mu-calculus is a fragment of the modal mu-calculus, where the application of fixpoint operators is restricted to formulas whose functional interpretation is Scott-continuous, rather than merely monotone. By…

计算机科学中的逻辑 · 计算机科学 2021-09-20 Jan Rooduijn , Yde Venema

3D brain MRI studies often examine subtle morphometric differences between cohorts that are hard to detect visually. Given the high cost of MRI acquisition, these studies could greatly benefit from image syntheses, particularly…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Binxu Li , Wei Peng , Mingjie Li , Ehsan Adeli , Kilian M. Pohl

Accurate characterization of carbon nanotube morphologies in electron microscopy images is vital for exposure assessment and toxicological studies, yet current workflows rely on slow, subjective manual segmentation. This work presents a…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Sanjay Pradeep , Chen Wang , Matthew M. Dahm , Jeff D. Eldredge , Candace S. J. Tsai

The paper formalizes a version of parallel online directed acyclic graph (DAG) exploration, general enough to be readily mapped to many computational scenarios. In both the offline and online versions, vertices are weighted with the work…

分布式、并行与集群计算 · 计算机科学 2024-11-05 Rahul Prabhu , Amit Verma , Meera Sitharam

Purpose: Recent developments in computational pathology have been driven by advances in Vision Foundation Models, particularly the Segment Anything Model (SAM). This model facilitates nuclei segmentation through two primary methods:…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Xueyuan Li , Can Cui , Ruining Deng , Yucheng Tang , Quan Liu , Tianyuan Yao , Shunxing Bao , Naweed Chowdhury , Haichun Yang , Yuankai Huo

The problem of finding an ancestral acyclic directed mixed graph (ADMG) that represents the causal relationships between a set of variables is an important area of research on causal inference. Most existing score-based structure learning…

机器学习 · 计算机科学 2021-10-11 Rui Chen , Sanjeeb Dash , Tian Gao

We show that there are precisely two, up to conjugation, anti-involutions sigma_{\pm} of the algebra of differential operators on the circle preserving the principal gradation. We classify the irreducible quasifinite highest weight…

量子代数 · 数学 2007-05-23 Victor G. Kac , Weiqiang Wang , Catherine H. Yan

Semigroup theory is a branch of abstract algebra, and it provides mathematical tools for the theory of computation. Finite semigroups can describe state transition systems and thus they model physically realizable computers. Engineering…

Medical image segmentation is vital for clinical diagnosis, yet current deep learning methods often demand extensive expert effort, i.e., either through annotating large training datasets or providing prompts at inference time for each new…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Xingjian Li , Qifeng Wu , Adithya S. Ubaradka , Yiran Ding , Colleen Que , Runmin Jiang , Jianhua Xing , Tianyang Wang , Min Xu

Learning the structure of dependence relations between variables is a pervasive issue in the statistical literature. A directed acyclic graph (DAG) can represent a set of conditional independences, but different DAGs may encode the same set…

统计方法学 · 统计学 2021-02-15 Federico Castelletti , Stefano Peluso

We consider the algorithmic problem of computing a primitive idempotent of a central simple algebra over the field of rational functions over a finite field. The algebra is given by a set of structure constants. The problem is reduced to…

环与代数 · 数学 2020-06-23 J. Gómez-Torrecillas , P. Kutas , F. J. Lobillo , G. Navarro

The paper concerns the problem of predicting the effect of actions or interventions on a system from a combination of (i) statistical data on a set of observed variables, and (ii) qualitative causal knowledge encoded in the form of a…

人工智能 · 计算机科学 2012-07-02 Carlos Brito , Judea Pearl

Directed acyclic graphs (DAGs) are frequently used in epidemiology as a method to encode causal inference assumptions. We propose the DAGWOOD framework to bring many of those encoded assumptions to the forefront. DAGWOOD combines a root DAG…

统计方法学 · 统计学 2021-11-25 Noah A Haber , Mollie E Wood , Sarah Wieten , Alexander Breskin

We give a novel nonparametric pointwise consistent statistical test (the Markov Checker) of the Markov condition for directed acyclic graph (DAG) or completed partially directed acyclic graph (CPDAG) models given a dataset. We also…

机器学习 · 计算机科学 2024-10-01 Joseph D. Ramsey , Bryan Andrews , Peter Spirtes

Promptable segmentation foundation models have emerged as a transformative approach to addressing the diverse needs in medical images, but most existing models require expensive computing, posing a big barrier to their adoption in clinical…

Equivariant graph neural networks force fields (EGraFFs) have shown great promise in modelling complex interactions in atomic systems by exploiting the graphs' inherent symmetries. Recent works have led to a surge in the development of…

In [Kac77, Section 5.4] and [Kac 98], V. G. Kac tried to raise, and finished a classification of infinite-dimensional primitive Lie superalgebras. The series $\mathbf{W}(m,n)$ with $m,n$ being positive integers are the fundamental ones. In…

表示论 · 数学 2025-03-25 Priyanshu Chakraborty , Yuhui shen , Bin Shu

We push the boundaries of electronic structure-based \textit{ab-initio} molecular dynamics (AIMD) beyond 100 million atoms. This scale is otherwise barely reachable with classical force-field methods or novel neural network and machine…