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We present a fast and efficient method for studying vacuum stability constraints in multi-scalar theories beyond the Standard Model. This method is designed for a reliable use in large scale parameter scans. The minimization of the scalar…

高能物理 - 唯象学 · 物理学 2019-05-01 Wolfgang G. Hollik , Georg Weiglein , Jonas Wittbrodt

We develop methodology for testing hypotheses regarding the slope function in functional linear regression for time series via a reproducing kernel Hilbert space approach. In contrast to most of the literature, which considers tests for the…

统计理论 · 数学 2022-02-17 Holger Dette , Jiajun Tang

We introduce a general framework for testing temporal symmetries in time series based on the distribution of ordinal patterns. While previous approaches have focused on specific forms of asymmetry, such as time reversal, our method provides…

统计理论 · 数学 2026-01-21 Annika Betken , Giorgio Micali , Manuel Ruiz Marín

We suggest a new approach to hypothesis testing for ergodic and stationary processes. In contrast to standard methods, the suggested approach gives a possibility to make tests, based on any lossless data compression method even if the…

信息论 · 计算机科学 2007-07-13 Boris Ryabko , Jaakko Astola

We considered the problem of obtaining upper bounds for the mathematical expectation of the $q$-norm ($2\leqslant q \leqslant \infty$) of the vector which is uniformly distributed on the unit Euclidean sphere. We finish the paper with…

最优化与控制 · 数学 2020-03-27 Eduard Gorbunov , Evgeniya Vorontsova , Alexander Gasnikov

The problem of binary hypothesis testing between two probability measures is considered. New sharp bounds are derived for the best achievable error probability of such tests based on independent and identically distributed observations.…

信息论 · 计算机科学 2024-05-30 Valentinian Lungu , Ioannis Kontoyiannis

We present a least squares method for estimating parameters from measurements of event yields in the presence of background and crossfeed. We adopt a unified approach to incorporating the statistical and systematic uncertainties on the…

数据分析、统计与概率 · 物理学 2009-11-11 Werner M. Sun

Statistical uncertainties complicate engineering design -- confounding regulated design approaches, and degrading the performance of reliability efforts. The simplest means to tackle this uncertainty is double loop simulation; a nested…

统计方法学 · 统计学 2018-11-02 Zachary del Rosario , Richard W. Fenrich , Gianluca Iaccarino

We extend the notion of hyperuniformity to the projective spaces $\mathbb{RP}^{d-1}$, $\mathbb{CP}^{d-1}$, $\mathbb{HP}^{d-1}$, and $\mathbb{OP}^2$. We show that hyperuniformity implies uniform distribution and present examples of…

经典分析与常微分方程 · 数学 2024-03-07 Johann S. Brauchart , Peter J. Grabner

We develop tests for high-dimensional covariance matrices under a generalized elliptical model. Our tests are based on a central limit theorem (CLT) for linear spectral statistics of the sample covariance matrix based on self-normalized…

统计理论 · 数学 2019-12-17 Xinxin Yang , Xinghua Zheng , Jiaqi Chen

High-dimensional logistic regression is widely used in analyzing data with binary outcomes. In this paper, global testing and large-scale multiple testing for the regression coefficients are considered in both single- and two-regression…

统计方法学 · 统计学 2020-11-23 Rong Ma , T. Tony Cai , Hongzhe Li

Quantile forecasts made across multiple horizons have become an important output of many financial institutions, central banks and international organisations. This paper proposes misspecification tests for such quantile forecasts that…

计量经济学 · 经济学 2023-10-16 Jack Fosten , Daniel Gutknecht , Marc-Oliver Pohle

Space-filling experimental designs are widely used in engineering computer experiments, where only a limited number of expensive model evaluations can be afforded. Distance-based designs such as Maximin or Minimax ensure global…

计算工程、金融与科学 · 计算机科学 2026-03-30 Miroslav Vořechovský , Jan Mašek

Diffusion maps is a manifold learning algorithm widely used for dimensionality reduction. Using a sample from a distribution, it approximates the eigenvalues and eigenfunctions of associated Laplace-Beltrami operators. Theoretical bounds on…

统计理论 · 数学 2021-04-09 Caroline L. Wormell , Sebastian Reich

This paper concerns the construction of tests for universal hypothesis testing problems, in which the alternate hypothesis is poorly modeled and the observation space is large. The mismatched universal test is a feature-based technique for…

信息论 · 计算机科学 2016-04-18 Dayu Huang , Sean Meyn

Teramoto et al. defined a new measure called the gap ratio that measures the uniformity of a finite point set sampled from $\cal S$, a bounded subset of $\mathbb{R}^2$. We generalize this definition of measure over all metric spaces by…

计算几何 · 计算机科学 2015-12-07 Arijit Bishnu , Sameer Desai , Arijit Ghosh , Mayank Goswami , Subhabrata Paul

In this paper we study the worst-case error of numerical integration on the unit sphere $\mathbb{S}^{d}\subset\mathbb{R}^{d+1}$, $d\geq2$, for certain spaces of continuous functions on $\mathbb{S}^{d}$. For the classical Sobolev spaces…

经典分析与常微分方程 · 数学 2020-07-27 Peter Grabner , Tetiana Stepanyuk

In this paper, we study change-point testing for high-dimensional linear models, an important problem that has not been well explored in the literature. Specifically, we propose a quadratic-form cumulative sum (CUSUM) statistic to test the…

统计理论 · 数学 2024-10-23 Zifeng Zhao , Xiaokai Luo , Zongge Liu , Daren Wang

We propose a new omnibus goodness-of-fit test based on trigonometric moments of probability-integral-transformed data. The test builds on the framework of the LK test introduced by Langholz and Kronmal [J. Amer. Statist. Assoc. 86 (1991),…

统计方法学 · 统计学 2026-03-31 Alain Desgagné , Frédéric Ouimet

Unitary equivariance is a natural symmetry that occurs in many contexts in physics and mathematics. Optimization problems with such symmetry can often be formulated as semidefinite programs for a $d^{p+q}$-dimensional matrix variable that…

量子物理 · 物理学 2025-01-07 Dmitry Grinko , Maris Ozols