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This article develops a method to construct the optimal sequential test for monitoring the changes in the distribution of finite observation sequences with a general dependence structure. This method allows us to prove that different…

统计理论 · 数学 2019-08-01 Dong Han , Fugee Tsung , Jinguo Xian

We present the application of the $n$-th order Eulerian Perturbation Theory ($n$EPT) for modeling the matter bispectrum in real space as an advancement over the Standard Perturbation Theory (SPT). The $n$EPT method, detailed in Wang et al.…

宇宙学与河外天体物理 · 物理学 2024-11-28 Zhenyuan Wang , Donghui Jeong , Atsushi Taruya , Takahiro Nishimichi , Ken Osato

A random set is a generalisation of a random variable, i.e. a set-valued random variable. The random set theory allows a unification of other uncertainty descriptions such as interval variable, mass belief function in Dempster-Shafer theory…

数值分析 · 数学 2018-11-27 Truong-Vinh Hoang , Hermann G. Matthies

Sparse deep learning has become a popular technique for improving the performance of deep neural networks in areas such as uncertainty quantification, variable selection, and large-scale network compression. However, most existing research…

机器学习 · 统计学 2023-10-06 Mingxuan Zhang , Yan Sun , Faming Liang

In this paper, we study the form over the minimum spanning tree problem (MST) from which we will derive an intuitively generalized model and new methods with the upper bound of runtimes of logarithm. The new pattern we made has taken…

离散数学 · 计算机科学 2017-06-26 Yong Tan

Structure-from-Motion is a technology used to obtain scene structure through image collection, which is a fundamental problem in computer vision. For unordered Internet images, SfM is very slow due to the lack of prior knowledge about image…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Zhichao Ye , Chong Bao , Xin Zhou , Haomin Liu , Hujun Bao , Guofeng Zhang

Singular statistical models arise whenever different parameter values induce the same distribution, leading to non-identifiability and a breakdown of classical asymptotic theory. While existing approaches analyze these phenomena in…

统计理论 · 数学 2026-04-03 Sean Plummer

We suggest a mechanism based on spike time dependent plasticity (STDP) of synapses to store, retrieve and predict temporal sequences. The mechanism is demonstrated in a model system of simplified integrate-and-fire type neurons densely…

适应与自组织系统 · 物理学 2009-11-07 Thomas Nowotny , Misha I. Rabinovich , Henry D. I. Abarbanel

We introduce a nonstationary spatio-temporal statistical model for gridded data on the sphere. The model specifies a computationally convenient covariance structure that depends on heterogeneous geography. Widely used statistical models on…

应用统计 · 统计学 2016-02-25 Stefano Castruccio , Joseph Guinness

Existing approaches for learning representations of time-series keep the temporal arrangement of the time-steps intact with the presumption that the original order is the most optimal for learning. However, non-adjacent sections of…

机器学习 · 计算机科学 2024-10-31 Shivam Grover , Amin Jalali , Ali Etemad

Sequence theories are an extension of theories of strings with an infinite alphabet of letters, together with a corresponding alphabet theory (e.g. linear integer arithmetic). Sequences are natural abstractions of extendable arrays, which…

计算机科学中的逻辑 · 计算机科学 2023-08-02 Artur Jeż , Anthony W. Lin , Oliver Markgraf , Philipp Rümmer

We introduce the concept of selective quantum state tomography or SQST, a tomographic scheme that enables a user to estimate arbitrary elements of an unknown quantum state using a fixed measurement record. We demonstrate how this may be…

量子物理 · 物理学 2020-06-12 Joshua Morris , Borivoje Dakić

Optimization problems, generalized equations, and the multitude of other variational problems invariably lead to the analysis of sets and set-valued mappings as well as their approximations. We review the central concept of set-convergence…

最优化与控制 · 数学 2020-02-25 Johannes O. Royset

Learning from set-structured data is a fundamental problem that has recently attracted increasing attention, where a series of summary networks are introduced to deal with the set input. In fact, many meta-learning problems can be treated…

机器学习 · 计算机科学 2023-03-08 Dandan Guo , Long Tian , Minghe Zhang , Mingyuan Zhou , Hongyuan Zha

Self-organization, the ability of a system of microscopically interacting entities to shape macroscopically ordered structures, is ubiquitous in Nature. Spatio-temporal patterns are abundantly observed in a large plethora of applications,…

斑图形成与孤子 · 物理学 2019-06-17 Malbor Asllani , Timoteo Carletti , Duccio Fanelli , Philip K. Maini

Forecasting the evolution of complex systems is one of the grand challenges of modern data science. The fundamental difficulty lies in understanding the structure of the observed stochastic process. In this paper, we show that every…

统计理论 · 数学 2020-01-01 Xiucai Ding , Zhou Zhou

Most recent state of the art architectures rely on combinations and variations of three approaches: convolutional, recurrent and self-attentive methods. Our work attempts in laying the basis for a new research direction for sequence…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Jia Cheng Hu , Roberto Cavicchioli , Alessandro Capotondi

Treating class with a single center may hardly capture data distribution complexities. Using multiple sub-centers is an alternative way to address this problem. However, highly correlated sub-classes, the classifier's parameters grow…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Zhemin Zhang , Xun Gong

We formulate an attention mechanism for continuous and ordered sequences that explicitly functions as an alignment model, which serves as the core of many sequence-to-sequence tasks. Standard scaled dot-product attention relies on…

机器学习 · 计算机科学 2025-09-19 Hyungjoon Soh , Junghyo Jo

Conformal prediction has recently emerged as a promising strategy for quantifying the uncertainty of a predictive model; these algorithms modify the model to output sets of labels that are guaranteed to contain the true label with high…

机器学习 · 计算机科学 2025-03-11 Botong Zhang , Shuo Li , Osbert Bastani