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We consider extended CMV matrices with analytic quasi-periodic Verblunsky coefficients with Diophantine frequency vector in the perturbatively small coupling constant regime and prove the analyticity of the tongue boundaries. As a…

谱理论 · 数学 2021-12-30 Long Li , David Damanik , Qi Zhou

The region of entropic vectors is a convex cone that has been shown to be at the core of many fundamental limits for problems in multiterminal data compression, network coding, and multimedia transmission. This cone has been shown to be…

信息论 · 计算机科学 2015-12-11 Yunshu Liu , John MacLaren Walsh

It is a great challenge to evaluate the network performance of cellular mobile communication systems. In this paper, we propose new spatial spectrum and energy efficiency models for Poisson-Voronoi tessellation (PVT) random cellular…

网络与互联网体系结构 · 计算机科学 2015-01-23 Xiaohu Ge , Bin Yang , Junliang Ye , Guoqiang Mao , Cheng-Xiang Wang , Tao Han

Set-valued state estimation when in the presence of uncertainties in the model have been addressed in the literature essentially following three main approaches: i) interval arithmetic of the uncertain dynamics with the estimates; ii)…

系统与控制 · 电气工程与系统科学 2023-04-12 Daniel Silvestre

Microscopic analysis of histological sections is considered the "gold standard" to verify structural parcellations in the human brain. Its high resolution allows the study of laminar and columnar patterns of cell distributions, which build…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Hannah Spitzer , Katrin Amunts , Stefan Harmeling , Timo Dickscheid

Cluster states are multipartite entangled states that are maximally connected and resilient to decoherence, making them valuable resources for quantum information processing. Continuous-variable (CV) cluster states have been extensively…

量子物理 · 物理学 2025-09-17 A. Govindarajan , M. Mazzei , H. Wang , L. Tian

A general approach for anomaly detection or novelty detection consists in estimating high density regions or Minimum Volume (MV) sets. The One-Class Support Vector Machine (OCSVM) is a state-of-the-art algorithm for estimating such regions…

机器学习 · 统计学 2015-09-01 Albert Thomas , Vincent Feuillard , Alexandre Gramfort

This paper presents a range of results in partial differential equations (PDEs) in which Voronoi patterns arise. We investigate the connection between the solution to an elliptic equation and its probabilistic interpretation as a stochastic…

偏微分方程分析 · 数学 2023-02-28 Yuriria Cortes-Poza , David Padilla-Garza , Pablo Padilla

Multidimensional Voronoi constellations (VCs) are shown to be more power-efficient than quadrature amplitude modulation (QAM) formats given the same uncoded bit error rate, and also have higher achievable information rates. However, a coded…

信息论 · 计算机科学 2023-08-02 S. Li , A. Mirani , M. Karlsson , E. Agrell

A Voronoi diagram is a basic geometric structure that partitions the space into regions associated with a given set of sites, such that all points in a region are closer to the corresponding site than to all other sites. While being…

计算几何 · 计算机科学 2023-01-27 Tobias Friedrich , Maximilian Katzmann , Leon Schiller

The Additive Voronoi Tessellations (AddiVortes) model is a multivariate regression model that uses multiple Voronoi tessellations to partition the covariate space for an additive ensemble model. In this paper, the AddiVortes framework is…

应用统计 · 统计学 2025-03-31 Adam J. Stone , Emmanuel Ogundimu , John Paul Gosling

We formulate truncated singular value decompositions of entire convolutional neural networks. We demonstrate the computed left and right singular vectors are useful in identifying which images the convolutional neural network is likely to…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Cito Balsells , Beatrice Riviere , David Fuentes

Variational inequalities are a formalism that includes games, minimization, saddle point, and equilibrium problems as special cases. Methods for variational inequalities are therefore universal approaches for many applied tasks, including…

Randomized singular value decomposition (RSVD) is a class of computationally efficient algorithms for computing the truncated SVD of large data matrices. Given an $m \times n$ matrix $\widehat{{\mathbf M}}$, the prototypical RSVD algorithm…

统计理论 · 数学 2025-05-27 Yichi Zhang , Minh Tang

In this paper, we study a stochastic strongly convex optimization problem and propose three classes of variable sample-size stochastic first-order methods including the standard stochastic gradient descent method, its accelerated variant,…

最优化与控制 · 数学 2024-05-08 Jinlong Lei , Uday V. Shanbhag

In this paper, we mainly develop the well-known vector and matrix polynomial extrapolation methods in tensor framework. To this end, some new products between tensors are defined and the concept of positive definitiveness is extended for…

数值分析 · 数学 2020-04-14 F. P. A. Beik , A. El Ichi , K. Jbilou , R. Sadaka

Control variates are variance reduction tools for Monte Carlo estimators. They can provide significant variance reduction, but usually require a large number of samples, which can be prohibitive when sampling or evaluating the integrand is…

统计方法学 · 统计学 2023-06-08 Zhuo Sun , Alessandro Barp , François-Xavier Briol

Contours are used in radiotherapy treatment planning to identify regions to be irradiated with high dose and regions to be spared. Therefore, any contouring uncertainty influences the whole treatment. Even though this is the biggest…

医学物理 · 物理学 2022-04-22 Eliana Vásquez Osorio , Jane Shortall , Jennifer Robbins , Marcel van Herk

We define and study Conformal Turaev-Viro (CTV) theory, a dual formulation of Virasoro TQFT based on triangulating 3-manifolds with tetrahedra. Edges of the triangulation are labeled by continuous conformal weights, and tetrahedra are glued…

高能物理 - 理论 · 物理学 2025-07-17 Thomas Hartman

The survey volume of a proper motion-limited sample is typically much smaller than a magnitude-limited sample. This is because of the noisy astrometric measurements from detectors that are not dedicated for astrometric missions. In order to…

天体物理仪器与方法 · 物理学 2017-05-01 Marco C. Lam
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