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For obtaining optimal first-order convergence guarantee for stochastic optimization, it is necessary to use a recurrent data sampling algorithm that samples every data point with sufficient frequency. Most commonly used data sampling…

最优化与控制 · 数学 2024-07-23 William G. Powell , Hanbaek Lyu

In this paper, we propose novel channel-hoppingbased distributed rendezvous algorithm based on grid-basedquorum techniques. The proposed algorithm increases the probability of rendezvous (RDV) within a single cycle by allowing CR nodes to…

网络与互联网体系结构 · 计算机科学 2017-07-25 Esraa Al Jarrah , Haythem Bany Salameh , Ali Eyadeh

It is common to conduct causal inference in matched observational studies by proceeding as though treatment assignments within matched sets are assigned uniformly at random and using this distribution as the basis for inference. This…

统计方法学 · 统计学 2023-11-14 Samuel D. Pimentel , Yaxuan Huang

The world is not static: This causes real-world time series to change over time through external, and potentially disruptive, events such as macroeconomic cycles or the COVID-19 pandemic. We present an adaptive sampling strategy that…

Stochastic variance reduced optimization methods are known to be globally convergent while they suffer from slow local convergence, especially when moderate or high accuracy is needed. To alleviate this problem, we propose an optimization…

最优化与控制 · 数学 2021-11-15 Hamed Sadeghi , Pontus Giselsson

Smoothed analysis is a framework for analyzing the complexity of an algorithm, acting as a bridge between average and worst-case behaviour. For example, Quicksort and the Simplex algorithm are widely used in practical applications, despite…

机器学习 · 计算机科学 2015-03-29 Bichen Shi , Michel Schellekens , Georgiana Ifrim

The electrical network reconfiguration problem aims to minimize losses in a distribution system by adjusting switches while ensuring radial topology. The growing use of renewable energy and the complexity of managing modern power grids make…

系统与控制 · 电气工程与系统科学 2025-08-12 Yacine Mokhtari , Patrick Coirault , Emmanuel Moulay , Jérôme Le Ny , Didier Larraillet

Various decision support systems are available that implement Data Mining and Data Warehousing techniques for diving into the sea of data for getting useful patterns of knowledge (pearls). Classification, regression, clustering, and many…

密码学与安全 · 计算机科学 2024-03-01 Mohammad Khalid Imam Rahmani

Differentiable sorting algorithms allow training with sorting and ranking supervision, where only the ordering or ranking of samples is known. Various methods have been proposed to address this challenge, ranging from optimal…

机器学习 · 计算机科学 2022-03-21 Felix Petersen , Christian Borgelt , Hilde Kuehne , Oliver Deussen

In the first place, a novel, yet straightforward in-place integer value-sorting algorithm is presented. It sorts in linear time using constant amount of additional memory for storing counters and indices beside the input array. The…

数据结构与算法 · 计算机科学 2013-07-11 A. Emre Cetin

Motion planning under differential constraints is a classic problem in robotics. To date, the state of the art is represented by sampling-based techniques, with the Rapidly-exploring Random Tree algorithm as a leading example. Yet, the…

机器人学 · 计算机科学 2015-03-03 Edward Schmerling , Lucas Janson , Marco Pavone

Motion planning problems have been studied by both the robotics and the controls research communities for a long time, and many algorithms have been developed for their solution. Among them, incremental sampling-based motion planning…

机器人学 · 计算机科学 2012-05-01 Oktay Arslan , Panagiotis Tsiotras

We propose an adaptive sequential framework for testing two simple hypotheses that analytically ensures finite exposure to the less effective treatment. Our proposed procedure employs a likelihood ratio-driven adaptive allocation rule,…

统计理论 · 数学 2025-11-26 Sampurna Kundu , Jayant Jha , Subir Kumar Bhandari

In-place associative integer sorting technique was proposed for integer lists which requires only constant amount of additional memory replacing bucket sort, distribution counting sort and address calculation sort family of algorithms. The…

数据结构与算法 · 计算机科学 2012-09-18 A. Emre Cetin

This paper considers the quickest search problem to identify anomalies among large numbers of data streams. These streams can model, for example, disjoint regions monitored by a mobile robot. A particular challenge is a version of the…

最优化与控制 · 数学 2023-03-20 Matthew Ubl , Benjamin D. Robinson , Matthew T. Hale

In this paper, we consider the iterative method of subspace corrections with random ordering. We prove identities for the expected convergence rate, which can provide sharp estimates for the error reduction per iteration. We also study the…

数值分析 · 数学 2018-10-11 Xiaozhe Hu , Jinchao Xu , Ludmil Zikatanov

This paper discusses about a sorting algorithm which uses the concept of buckets where each bucket represents a certain number of digits. A two dimensional data structure is used where one dimension represents buckets i. e; number of digits…

数据结构与算法 · 计算机科学 2014-06-10 Ankit Chadha , Rishikesh Misal , Tanaya Mokashi , Aman Chadha

Motivated by applications in single-cell biology and metagenomics, we investigate the problem of matrix reordering based on a noisy disordered monotone Toeplitz matrix model. We establish the fundamental statistical limit for this problem…

统计理论 · 数学 2023-08-15 T. Tony Cai , Rong Ma

We consider stochastic settings for clustering, and develop provably-good approximation algorithms for a number of these notions. These algorithms yield better approximation ratios compared to the usual deterministic clustering setting.…

数据结构与算法 · 计算机科学 2023-10-13 David G. Harris , Shi Li , Thomas Pensyl , Aravind Srinivasan , Khoa Trinh

This paper focuses on regularizing the training of the convolutional neural network (CNN). We propose a new regularization approach named ``PatchShuffle`` that can be adopted in any classification-oriented CNN models. It is easy to…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Guoliang Kang , Xuanyi Dong , Liang Zheng , Yi Yang