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The accurate computation of excited states remains a challenge in electronic structure theory, especially for systems with a ground state that requires a multireference treatment. In this work, we introduce a novel equation-of-motion (EOM)…

化学物理 · 物理学 2025-05-28 Shuhang Li , Zijun Zhao , Francesco A. Evangelista

In this expository paper we abstract and describe a simple MCMC scheme for sampling from intractable target densities. The approach has been introduced in Gon\c{c}alves et al. (2017a) in the specific context of jump-diffusions, and is based…

统计计算 · 统计学 2017-09-25 Flavio B. Gonçalves , Krzysztof Łatuszyński , Gareth O. Roberts

Anchor-based multi-view clustering (MVC) has received extensive attention due to its efficient performance. Existing methods only focus on how to dynamically learn anchors from the original data and simultaneously construct anchor graphs…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yawei Chen , Huibing Wang , Jinjia Peng , Yang Wang

We introduce a random recursive tree model with two communities, called balanced community modulated random recursive tree, or BCMRT in short. In this setting, pairs of nodes of different type appear sequentially. Each node of the pair…

统计理论 · 数学 2024-02-12 Anna Ben-Hamou , Vasiliki Velona

Variable selection has played a critical role in modern statistical learning and scientific discoveries. Numerous regularization and Bayesian variable selection methods have been developed in the past two decades for variable selection, but…

统计方法学 · 统计学 2024-03-04 Travis Canida , Hongjie Ke , Shuo Chen , Zhenayo Ye , Tianzhou Ma

Modelling a complex system is almost invariably a challenging task. The incorporation of experimental observations can be used to improve the quality of a model, and thus to obtain better predictions about the behavior of the corresponding…

计算物理 · 物理学 2015-11-24 Massimiliano Bonomi , Carlo Camilloni , Andrea Cavalli , Michele Vendruscolo

While there is an immense literature on Bayesian methods for clustering, the multiview case has received little attention. This problem focuses on obtaining distinct but statistically dependent clusterings in a common set of entities for…

统计方法学 · 统计学 2025-04-01 Alexander Dombowsky , David B. Dunson

In this article we consider computing expectations w.r.t.~probability laws associated to a certain class of stochastic systems. In order to achieve such a task, one must not only resort to numerical approximation of the expectation, but…

统计计算 · 统计学 2017-10-30 Ajay Jasra , Kengo Kamatani , Kody Law , Yan Zhou

Clustering of mixed-type datasets can be a particularly challenging task as it requires taking into account the associations between variables with different level of measurement, i.e., nominal, ordinal and/or interval. In some cases,…

统计方法学 · 统计学 2022-04-22 Odysseas Moschidis , Angelos Markos , Theodore Chadjipadelis

Decision making under uncertainty is critical to real-world, autonomous systems. Model Predictive Control (MPC) methods have demonstrated favorable performance in practice, but remain limited when dealing with complex probability…

机器人学 · 计算机科学 2021-04-13 Alexander Lambert , Adam Fishman , Dieter Fox , Byron Boots , Fabio Ramos

The bipartite graph is a ubiquitous data structure that can model the relationship between two entity types: for instance, users and items, queries and webpages. In this paper, we study the problem of ranking vertices of a bipartite graph,…

信息检索 · 计算机科学 2017-08-16 Xiangnan He , Ming Gao , Min-Yen Kan , Dingxian Wang

In many practices, scientists are particularly interested in detecting which of the predictors are truly associated with a multivariate response. It is more accurate to model multiple responses as one vector rather than separating each…

统计方法学 · 统计学 2021-11-16 Xiaotian Dai , Guifang Fu , Randall Reese , Shaofei Zhao , Zuofeng Shang

Discrete element method simulations of confined bidisperse granular shear flows elucidate the balance between diffusion and segregation that can lead to either mixed or segregated states, depending on confining pressure. Results indicate…

软凝聚态物质 · 物理学 2018-09-24 Alexander M. Fry , Paul B. Umbanhowar , Julio M. Ottino , Richard M. Lueptow

Bayesian non-parametric methods based on Dirichlet process mixtures have seen tremendous success in various domains and are appealing in being able to borrow information by clustering samples that share identical parameters. However, such…

统计方法学 · 统计学 2022-07-04 Suprateek Kundu , Joshua Lukemire

This work introduces a new abstraction technique for reducing the state space of large, discrete-time labelled Markov chains. The abstraction leverages the semantics of interval Markov decision processes and the existing notion of…

系统与控制 · 计算机科学 2019-03-08 Y. Zacchia Lun , J. Wheatley , A. D'Innocenzo , A. Abate

We introduce River, a novel Condorcet-consistent voting method that is based on pairwise majority margins and can be seen as a simplified variation of Tideman's Ranked Pairs method. River is simple to explain, simple to compute even 'by…

计算机科学与博弈论 · 计算机科学 2025-04-22 Michelle Döring , Markus Brill , Jobst Heitzig

A notable result from analysis of Boolean functions is the Basic Invariance Principle (BIP), a quantitative nonlinear generalization of the Central Limit Theorem for multilinear polynomials. We present a generalization of the BIP for…

信息论 · 计算机科学 2022-08-18 Alexander Mariona , Homa Esfahanizadeh , Rafael G. L. D'Oliveira , Muriel Médard

Background: Mendelian randomization (MR) is a useful approach to causal inference from observational studies when randomised controlled trials are not feasible. However, study heterogeneity of two association studies required in MR is often…

统计方法学 · 统计学 2021-12-16 Linyi Zou , Hui Guo , Carlo Berzuini

Combined inference for heterogeneous high-dimensional data is critical in modern biology, where clinical and various kinds of molecular data may be available from a single study. Classical genetic association studies regress a single…

应用统计 · 统计学 2017-03-22 Hélène Ruffieux , Anthony C. Davison , Jörg Hager , Irina Irincheeva

A rank-invariant clustering of variables is introduced that is based on the predictive strength between groups of variables, i.e., two groups are assigned a high similarity if the variables in the first group contain high predictive…

统计方法学 · 统计学 2023-12-29 Sebastian Fuchs , Yuping Wang