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We explore the role of intrinsic structural properties of hypergraphs in governing group-driven social dynamics with social reinforcement. First, we analyze simplicial contagion dynamics on random hypergraphs in which the level of hyperedge…

物理与社会 · 物理学 2026-04-21 Jihye Kim , Deok-Sun Lee , K. -I. Goh

Selecting important features that have substantial effects on the response with provable type-I error rate control is a fundamental concern in statistics, with wide-ranging practical applications. Existing knockoff filters, although shown…

统计方法学 · 统计学 2024-02-29 Jiaqi Gu , Zihuai He

Refining one's hypotheses in the light of data is a common scientific practice; however, the dependency on the data introduces selection bias and can lead to specious statistical analysis. An approach for addressing this is via conditioning…

Motivated by civic problems such as participatory budgeting and multiwinner elections, we consider the problem of public good allocation: Given a set of indivisible projects (or candidates) of different sizes, and voters with different…

计算机科学与博弈论 · 计算机科学 2021-10-26 Kamesh Munagala , Yiheng Shen , Kangning Wang , Zhiyi Wang

It was recently demonstrated in [5] that the non-linear bilateral filter [14] can be efficiently implemented using a constant-time or O(1) algorithm. At the heart of this algorithm was the idea of approximating the Gaussian range kernel of…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Kunal Narayan Chaudhury

This paper is concerned with polynomial optimization problems. We show how to exploit term (or monomial) sparsity of the input polynomials to obtain a new converging hierarchy of semidefinite programming relaxations. The novelty (and…

最优化与控制 · 数学 2020-05-14 Jie Wang , Victor Magron , Jean-Bernard Lasserre

The $h$-version of the finite-element method ($h$-FEM) applied to the high-frequency Helmholtz equation has been a classic topic in numerical analysis since the 1990s. It is now rigorously understood that (using piecewise polynomials of…

数值分析 · 数学 2026-05-25 Martin Averseng , Jeffrey Galkowski , Euan A. Spence

We revisit the classic Pandora's Box (PB) problem under correlated distributions on the box values. Recent work of arXiv:1911.01632 obtained constant approximate algorithms for a restricted class of policies for the problem that visit boxes…

数据结构与算法 · 计算机科学 2023-07-25 Shuchi Chawla , Evangelia Gergatsouli , Jeremy McMahan , Christos Tzamos

The probabilistic satisfiability of a logical expression is a fundamental concept known as the partition function in statistical physics and field theory, an evaluation of a related graph's Tutte polynomial in mathematics, and the…

离散数学 · 计算机科学 2022-06-09 Stephen Eubank , Madhurima Nath , Yihui Ren , Abhijin Adiga

We revisit the selection problem, namely that of computing the $i$th order statistic of $n$ given elements, in particular the classic deterministic algorithm by grouping and partition due to Blum, Floyd, Pratt, Rivest, and Tarjan (1973).…

数据结构与算法 · 计算机科学 2019-04-09 Ke Chen , Adrian Dumitrescu

In the late 19th century, Swedish mathematician Lars Edvard Phragm\'{e}n proposed a load-balancing approach for selecting committees based on approval ballots. We consider three committee voting rules resulting from this approach: two…

计算机科学与博弈论 · 计算机科学 2023-02-07 Markus Brill , Rupert Freeman , Svante Janson , Martin Lackner

We provide estimation methods for nonseparable panel models based on low-rank factor structure approximations. The factor structures are estimated by matrix-completion methods to deal with the computational challenges of principal component…

计量经济学 · 经济学 2021-03-05 Iván Fernández-Val , Hugo Freeman , Martin Weidner

In the past few years, the problem of distributed consensus has received a lot of attention, particularly in the framework of ad hoc sensor networks. Most methods proposed in the literature address the consensus averaging problem by…

信息论 · 计算机科学 2009-11-13 Effrosyni Kokiopoulou , Pascal Frossard

We suggest a method for holding a dictionary data structure, which maps keys to values, in the spirit of Bloom Filters. The space requirements of the dictionary we suggest are much smaller than those of a hashtable. We allow storing n keys,…

数据结构与算法 · 计算机科学 2008-04-14 Ely Porat

The current Bayesian FFT algorithm relies on direct differentiation to obtain the posterior covariance matrix (PCM), which is time-consuming, memory-intensive, and hard to code, especially for the multi-setup operational modal analysis…

统计计算 · 统计学 2024-12-03 Wei Zhu , Binbin Li , Zuo Zhu

In order to find the outcome probabilities of quantum mechanical systems like the optical networks underlying Boson sampling, it is necessary to be able to compute the permanents of unitary matrices, a computationally hard task. Here we…

量子物理 · 物理学 2022-02-10 P. H. Lundow , K. Markström

We develop an efficient algorithm for sampling the eigenvalues of random matrices distributed according to the Haar measure over the orthogonal or unitary group. Our technique samples directly a factorization of the Hessenberg form of such…

数值分析 · 数学 2021-02-25 Massimiliano Fasi , Leonardo Robol

We propose an efficient meta-algorithm for Bayesian estimation problems that is based on low-degree polynomials, semidefinite programming, and tensor decomposition. The algorithm is inspired by recent lower bound constructions for…

数据结构与算法 · 计算机科学 2017-10-04 Samuel B. Hopkins , David Steurer

The filtering distribution captures the statistics of the state of a dynamical system from partial and noisy observations. Classical particle filters provably approximate this distribution in quite general settings; however they behave…

统计理论 · 数学 2025-02-10 Edoardo Calvello , Pierre Monmarché , Andrew M. Stuart , Urbain Vaes

This paper introduces a five-parameter lifetime model with increasing, decreasing, upside -down bathtub and bathtub shaped failure rate called as the McDonald Gompertz (McG) distribution. This new distribution extend the Gompertz,…

统计方法学 · 统计学 2015-05-07 Rasool Roozegar , Saeid Tahmasebi , Ali Akbar Jafari