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In this paper, we study the structure of a general framed vertex operator algebra. We show that the structure codes (C,D) of a framed VOA V satisfy certain duality conditions. As a consequence, we prove that every framed VOA is a simple…

量子代数 · 数学 2010-02-09 Ching Hung Lam , Hiroshi Yamauchi

Dictionary learning is an effective tool for pattern recognition and classification of time series data. Among various dictionary learning techniques, the dynamic time warping (DTW) is commonly used for dealing with temporal delays,…

机器学习 · 统计学 2023-07-03 Ruiyu Xu , Chao Wang , Yongxiang Li , Jianguo Wu

The DTW Barycenter Averaging (DBA) algorithm is a widely used algorithm for estimating the mean of a given set of point sequences. In this context, the mean is defined as a point sequence that minimises the sum of dynamic time warping…

计算几何 · 计算机科学 2024-01-12 Frederik Brüning , Anne Driemel , Alperen Ergür , Heiko Röglin

This paper begins with a brief survey of the period prior to and soon after the creation of the theory of vertex operator algebras (VOAs). This survey is intended to highlight some of the important developments leading to the creation of…

量子代数 · 数学 2024-11-15 Bong H. Lian , Andrew R. Linshaw

In this article, a theory of generalized oscillatory integrals (OIs) is developed whose phase functions as well as amplitudes may be generalized functions of Colombeau type. Based on this, generalized Fourier integral operators (FIOs)…

偏微分方程分析 · 数学 2007-05-23 Claudia Garetto , Guenther Hoermann , Michael Oberguggenberger

Cellular automata (CA) is an important modelling paradigm for complex systems. In the design of cellular automata, the most difficult task is to find the transformation rules that describe the temporal evolution or pattern of a modelled…

元胞自动机与格子气 · 物理学 2023-10-03 Lei Kou , Fangfang Zhang , Luobing Chen , Wende Ke , Quande Yuan , Junhe Wan , Zhen Wang

Signal alignment has become a popular problem in robotics due in part to its fundamental role in action recognition. Currently, the most successful algorithms for signal alignment are Dynamic Time Warping (DTW) and its variant 'Fast'…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Thomas Mitchel , Sipu Ruan , Yixin Gao , Gregory S. Chirikjian

Object navigation tasks require agents to locate specific objects in unknown environments based on visual information. Previously, graph convolutions were used to implicitly explore the relationships between objects. However, due to…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Ronghao Dang , Zhuofan Shi , Liuyi Wang , Zongtao He , Chengju Liu , Qijun Chen

Object oriented data analysis (OODA) aims at statistically analyzing populations of complicated objects. This paper is motivated by a study of cell images in cell culture biology, which highlights a common critical issue: choice of data…

统计理论 · 数学 2013-03-21 Xiaosun Lu , J. S. Marron , Perry Haaland

A common problem in data analysis is the separation of signal and background. We revisit and generalise the so-called $sWeights$ method, which allows one to calculate an empirical estimate of the signal density of a control variable using a…

统计方法学 · 统计学 2022-08-24 Hans Dembinski , Matthew Kenzie , Christoph Langenbruch , Michael Schmelling

In multiclass deep network classifiers, the burden of classifying samples of different classes is put on a single classifier. As the result the optimum classification accuracy is not obtained. Also training times are large due to running…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Abdul Mueed Hafiz , Mahmoud Hassaballah

The ostrowski inequality expresses bounds on the deviation of a function from its integral mean. The aim of this paper is to establish a new inequality using weight function which generalizes the inequalities of Dragomir, Wang and Cerone…

经典分析与常微分方程 · 数学 2014-01-20 Ather Qayyum , Silvestru Sever Dragomir , Muhammad Shoaib , Muhammad Amir Latif

Multiple rotation averaging is an essential task for structure from motion, mapping, and robot navigation. The task is to estimate the absolute orientations of several cameras given some of their noisy relative orientation measurements. The…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Pulak Purkait , Tat-Jun Chin , Ian Reid

Operator learning seeks to approximate mappings from input functions to output solutions, particularly in the context of partial differential equations (PDEs). While recent advances such as DeepONet and Fourier Neural Operator (FNO) have…

机器学习 · 计算机科学 2025-05-27 Yile Li , Shandian Zhe

We give the distribution functions, the expected values, and the moments of linear combinations of lattice polynomials from the uniform distribution. Linear combinations of lattice polynomials, which include weighted sums, linear…

概率论 · 数学 2008-05-05 Jean-Luc Marichal , Ivan Kojadinovic

In discrete-time linear dynamical systems (LDSs), a linear map is repeatedly applied to an initial vector yielding a sequence of vectors called the orbit of the system. A weight function assigning weights to the points in the orbit can be…

动力系统 · 数学 2025-03-10 Rajab Aghamov , Christel Baier , Toghrul Karimov , Joël Ouaknine , Jakob Piribauer

Let $\mathcal{T}_{+}(E)$ be the tensor algebra of a $W^{*}$-correspondence $E$ over a $W^{*}$-algebra $M$. In earlier work, we showed that the completely contractive representations of $\mathcal{T}_{+}(E)$, whose restrictions to $M$ are…

算子代数 · 数学 2015-07-09 Paul S. Muhly , Baruch Solel

Derivative-free optimization (DFO) has recently gained a lot of momentum in machine learning, spawning interest in the community to design faster methods for problems where gradients are not accessible. While some attention has been given…

最优化与控制 · 数学 2020-08-04 Yuwen Chen , Antonio Orvieto , Aurelien Lucchi

Real-world data sets often exhibit temporal dynamics characterized by evolving data distributions. Disregarding this phenomenon, commonly referred to as concept drift, can significantly diminish a model's predictive accuracy. Furthermore,…

机器学习 · 计算机科学 2025-12-16 Mohammad Abu Shaira , Yunhe Feng , Heng Fan , Weishi Shi

For exploratory data analysis, it is often desirable to know what answers you are likely to get before actually obtaining those answers. This can potentially be achieved by designing systems to offer the estimates of a data operation result…

数据库 · 计算机科学 2023-03-08 Nikhil Sheoran , Supawit Chockchowwat , Arav Chheda , Suwen Wang , Riya Verma , Yongjoo Park