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This thesis focuses on the detection of extrasolar planets via the transit method, and more specifically addresses issues relevant to the preparation of upcoming space missions such as CoRoT, Kepler, Eddington, aiming to detect terrestrial…

天体物理学 · 物理学 2007-05-23 Suzanne Aigrain

We are in an era of precision measurements at the Large Hadron Collider. The precision that can be achieved on some of those is limited however due to large systematic uncertainties. This paper introduces a new technique to reduce the total…

数据分析、统计与概率 · 物理学 2019-07-03 Petra Van Mulders

The design and implementation of two software systems introduced to improve the efficiency of offline analysis of event data taken with the ZEUS Detector at the HERA electron-proton collider at DESY are presented. Two different approaches…

数据库 · 计算机科学 2009-11-07 L. A. T. Bauerdick , Adrian Fox-Murphy , Tobias Haas , Stefan Stonjek , Enrico Tassi

The hard-scatter processes in hadronic collisions are often largely contaminated with soft background coming from pileup in proton-proton collisions, or underlying event in heavy-ion collisions. There are multiple methods to remove the…

高能物理 - 唯象学 · 物理学 2024-11-14 Peter Berta , Juraj Smieško , Martin Spousta

Anomaly detection plays a critical role in modern data-driven applications, from identifying fraudulent transactions and safeguarding network infrastructure to monitoring sensor systems for irregular patterns. Traditional approaches, such…

机器学习 · 计算机科学 2025-03-05 Bowen Su

We describe the development of a system for an automated, iterative, real-time classification of transient events discovered in synoptic sky surveys. The system under development incorporates a number of Machine Learning techniques, mostly…

天体物理仪器与方法 · 物理学 2011-10-24 S. G. Djorgovski , C. Donalek , A. Mahabal , B. Moghaddam , M. Turmon , M. Graham , A. Drake , N. Sharma , Y. Chen

The problem of outlier detection is extremely challenging in many domains such as text, in which the attribute values are typically non-negative, and most values are zero. In such cases, it often becomes difficult to separate the outliers…

信息检索 · 计算机科学 2017-01-06 Ramakrishnan Kannan , Hyenkyun Woo , Charu C. Aggarwal , Haesun Park

This paper deals with the problem of enforcing modular diagnosability for discrete-event systems that don't satisfy this property by their natural modularity. We introduce an approach to achieve this property combining existing modules into…

系统与控制 · 计算机科学 2013-11-13 Dmitry Myadzelets , Andrea Paoli

In this note, we propose a novel approach for a class of autonomous dynamical systems that allows, given some observations of the solutions, to identify its parameters and reconstruct the state vector. This approach relies on proving the…

动力系统 · 数学 2024-08-22 Alicja B Kubik , Alain Rapaport , Benjamin Ivorra , Ángel M Ramos

An algorithm for detecting unstable periodic orbits in chaotic systems [Phys. Rev. E, 60 (1999), pp. 6172-6175] which combines the set of stabilising transformations proposed by Schmelcher and Diakonos [Phys. Rev. Lett., 78 (1997), pp.…

混沌动力学 · 物理学 2007-06-14 Jonathan J. Crofts

We deliver a call to arms for probabilistic numerical methods: algorithms for numerical tasks, including linear algebra, integration, optimization and solving differential equations, that return uncertainties in their calculations. Such…

数值分析 · 数学 2016-02-17 Philipp Hennig , Michael A Osborne , Mark Girolami

The hard-scatter processes in hadronic collisions are often largely contaminated with soft background coming from pileup in proton-proton collisions, or underlying event in heavy-ion collisions. This paper presents a new background…

高能物理 - 唯象学 · 物理学 2024-11-28 Peter Berta , Lucia Masetti , David W. Miller , Martin Spousta

Estimating the location and intensity of tropical cyclones holds crucial significance for predicting catastrophic weather events. In this study, we approach this task as a detection and regression challenge, specifically over the North…

图像与视频处理 · 电气工程与系统科学 2024-10-14 Akash Agrawal , Mayesh Mohapatra , Abhinav Raja , Paritosh Tiwari , Vishwajeet Pattanaik , Neeru Jaiswal , Arpit Agarwal , Punit Rathore

We propose a simple yet robust unsupervised model to detect pump-and-dump events on tokens listed on the Poloniex Exchange platform. By combining threshold-based criteria with exponentially weighted moving averages (EWMA) and volatility…

统计金融 · 定量金融 2025-03-13 Mahya Karbalaii

This work presents a framework for a-posteriori error-estimating algorithms for differential equations which combines the radii polynomial approach with Haar wavelets. By using Haar wavelets, we obtain recursive structures for the matrix…

数值分析 · 数学 2023-05-01 Guilherme Nakassima , Marcio Gameiro

This paper introduces a novel asynchronous, event-driven algorithm for real-time detection of small event clusters in event camera data. Like other hierarchical agglomerative clustering algorithms, the algorithm detects the event clusters…

计算机视觉与模式识别 · 计算机科学 2026-02-03 David El-Chai Ben-Ezra , Adar Tal , Daniel Brisk

Search for new physics events at the LHC mostly rely on the assumption that the events are characterized in terms of standard-reconstructed objects such as isolated photons, leptons, and jets initiated by QCD-partons. While such strategy…

高能物理 - 唯象学 · 物理学 2018-06-12 Amit Chakraborty , Abhishek M. Iyer , Tuhin S. Roy

In the realm of dijet searches in high-energy physics, a significant challenge has emerged: with experiments producing more and more data, the traditional methods of using analytic functions to describe dijet mass spectra start to fail. To…

高能物理 - 实验 · 物理学 2024-03-14 Sergei V. Chekanov , Rui Zhang

Due to the choice of very dense star fields for a higher event rate, the current microlensing searches suffer from large uncertainties caused by blending effect. To measure light variations of microlensing events free from the effect of…

天体物理学 · 物理学 2007-05-23 Cheongho Han

This paper introduces a new structural causal model tailored for representing threshold-based IT systems and presents a new algorithm designed to rapidly detect root causes of anomalies in such systems. When root causes are not causally…

人工智能 · 计算机科学 2024-07-30 Lei Zan , Charles K. Assaad , Emilie Devijver , Eric Gaussier , Ali Aït-Bachir