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The supervised learning problem to determine a neural network approximation $\mathbb{R}^d\ni x\mapsto\sum_{k=1}^K\hat\beta_k e^{{\mathrm{i}}\omega_k\cdot x}$ with one hidden layer is studied as a random Fourier features algorithm. The…

数值分析 · 数学 2020-11-30 Aku Kammonen , Jonas Kiessling , Petr Plecháč , Mattias Sandberg , Anders Szepessy

Let $X$ be a set of items of size $n$ , which may contain some defective items denoted by $I$, where $I \subseteq X$. In group testing, a {\it test} refers to a subset of items $Q \subset X$. The test outcome is $1$ (positive) if $Q$…

数据结构与算法 · 计算机科学 2023-09-19 Nader H. Bshouty , Gergely Harcos

Applications such as employees sharing office spaces over a workweek can be modeled as problems where agents are matched to resources over multiple rounds. Agents' requirements limit the set of compatible resources and the rounds in which…

人工智能 · 计算机科学 2022-12-01 Yohai Trabelsi , Abhijin Adiga , Sarit Kraus , S. S. Ravi , Daniel J. Rosenkrantz

For a permutation $\pi: [K]\rightarrow [K]$, a sequence $f: \{1,2,\cdots, n\}\rightarrow \mathbb R$ contains a $\pi$-pattern of size $K$, if there is a sequence of indices $(i_1, i_2, \cdots, i_K)$ ($i_1<i_2<\cdots<i_K$), satisfying that…

数据结构与算法 · 计算机科学 2024-01-05 Xiaojin Zhang

Consider property testing on bounded degree graphs and let $\varepsilon>0$ denote the proximity parameter. A remarkable theorem of Newman-Sohler (SICOMP 2013) asserts that all properties of planar graphs (more generally hyperfinite) are…

数据结构与算法 · 计算机科学 2024-05-10 Sabyasachi Basu , Akash Kumar , C. Seshadhri

A common method for assessing validity of Bayesian sampling or approximate inference methods makes use of simulated data replicates for parameters drawn from the prior. Under continuity assumptions, quantiles of functions of the simulated…

统计计算 · 统计学 2019-11-21 Xuejun Yu , David J. Nott , Minh-Ngoc Tran , Nadja Klein

One of the main subjects of this paper is to study quantum property testing with local measurement. In particular, we establish a novel $\ell_2$ norm connection between quantum property testing problems and the corresponding distribution…

量子物理 · 物理学 2020-01-14 Nengkun Yu

Neural networks are becoming increasingly prevalent in software, and it is therefore important to be able to verify their behavior. Because verifying the correctness of neural networks is extremely challenging, it is common to focus on the…

机器学习 · 计算机科学 2019-02-19 Ravi Mangal , Aditya V. Nori , Alessandro Orso

Testing two potentially multivariate variables for statistical dependence on the basis finite samples is a fundamental statistical challenge. Here we explore a family of tests that adapt to the complexity of the relationship between the…

机器学习 · 统计学 2020-10-23 Baihan Lin , Nikolaus Kriegeskorte

The problem of detecting changes in covariance for a single pair of features has been studied in some detail, but may be limited in importance or general applicability. In contrast, testing equality of covariance matrices of a {\it set} of…

统计方法学 · 统计学 2017-12-12 Yi-Hui Zhou

We consider the problem of inference on a regression function at a point when the entire function satisfies a sign or shape restriction under the null. We propose a test that achieves the optimal minimax rate adaptively over a range of…

统计理论 · 数学 2015-10-15 Timothy Armstrong

The semi-random graph process is a single player game in which the player is initially presented an empty graph on $n$ vertices. In each round, a vertex $u$ is presented to the player independently and uniformly at random. The player then…

组合数学 · 数学 2022-09-07 Pu Gao , Calum MacRury , Pawel Pralat

Building modern deep learning systems that are not just effective but also efficient requires rethinking established paradigms for model training and neural architecture design. Instead of adapting highly overparameterized networks and…

机器学习 · 计算机科学 2025-08-13 Julian Schönberger , Maximilian Zorn , Jonas Nüßlein , Thomas Gabor , Philipp Altmann

A self-adaptive system can modify its own structure and behavior at runtime based on its perception of the environment, of itself and of its requirements. To develop a self-adaptive system, software developers codify knowledge about the…

软件工程 · 计算机科学 2022-10-13 Andreas Metzger , Clément Quinton , Zoltán Ádám Mann , Luciano Baresi , Klaus Pohl

Local certification is a distributed mechanism enabling the nodes of a network to check the correctness of the current configuration, thanks to small pieces of information called certificates. For many classic global properties, like…

分布式、并行与集群计算 · 计算机科学 2023-12-27 Nicolas Bousquet , Laurent Feuilloley , Sébastien Zeitoun

Filters are fast, small and approximate set membership data structures. They are often used to filter out expensive accesses to a remote set S for negative queries (that is, a query x not in S). Filters have one-sided errors: on a negative…

数据结构与算法 · 计算机科学 2021-07-08 David J. Lee , Samuel McCauley , Shikha Singh , Max Stein

This paper focuses on testing for the presence of alpha in time-varying factor pricing models, specifically when the number of securities N is larger than the time dimension of the return series T. We introduce a maximum-type test that…

统计方法学 · 统计学 2023-07-19 Huifang MA , Long Feng , Zhaojun Wang

We present a novel framework closely linking the areas of property testing and data streaming algorithms in the setting of general graphs. It has been recently shown (Monemizadeh et al. 2017) that for bounded-degree graphs, any…

数据结构与算法 · 计算机科学 2019-05-07 Artur Czumaj , Hendrik Fichtenberger , Pan Peng , Christian Sohler

AI model alignment is crucial due to inadvertent biases in training data and the underspecified machine learning pipeline, where models with excellent test metrics may not meet end-user requirements. While post-training alignment via human…

机器学习 · 计算机科学 2024-11-06 William Overman , Jacqueline Jil Vallon , Mohsen Bayati

We investigate distribution testing with access to non-adaptive conditional samples. In the conditional sampling model, the algorithm is given the following access to a distribution: it submits a query set $S$ to an oracle, which returns a…

数据结构与算法 · 计算机科学 2018-11-06 Gautam Kamath , Christos Tzamos