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One of the prominent open problems in combinatorics is the discrepancy of set systems where each element lies in at most $t$ sets. The Beck-Fiala conjecture suggests that the right bound is $O(\sqrt{t})$, but for three decades the only…

组合数学 · 数学 2018-07-16 Rebecca Hoberg , Thomas Rothvoss

Kernel methods augmented with random features give scalable algorithms for learning from big data. But it has been computationally hard to sample random features according to a probability distribution that is optimized for the data, so as…

量子物理 · 物理学 2021-11-02 Hayata Yamasaki , Sathyawageeswar Subramanian , Sho Sonoda , Masato Koashi

Genome sequence analysis has enabled significant advancements in medical and scientific areas such as personalized medicine, outbreak tracing, and the understanding of evolution. Unfortunately, it is currently bottlenecked by the…

A genetic algorithm is suitable for exploring large search spaces as it finds an approximate solution. Because of this advantage, genetic algorithm is effective in exploring vast and unknown space such as molecular search space. Though the…

神经与进化计算 · 计算机科学 2021-12-24 Yurim Lee , Gydam Choi , Minsung Yoon , Cheongwon Kim

We (claim to) prove the extremely surprising fact that NP=RP. It is achieved by creating a Fully Polynomial-Time Randomized Approximation Scheme (FPRAS) for approximately counting the number of independent sets in bounded degree graphs,…

计算复杂性 · 计算机科学 2020-08-06 András Faragó

We present a method, referred to as Deep Harmonic Finesse (DHF), for separation of non-stationary quasi-periodic signals when limited data is available. The problem frequently arises in wearable systems in which, a combination of…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Mahya Saffarpour , Kourosh Vali , Weitai Qian , Begum Kasap , Herman L. Hedriana , Soheil Ghiasi

In this paper, a genetic algorithm, one of the evolutionary algorithms optimization methods, is used for the first time for the problem of finding extremal binary self-dual codes. We present a comparison of the computational times between a…

神经与进化计算 · 计算机科学 2020-12-23 Adrian Korban , Serap Sahinkaya , Deniz Ustun

The classical Weisfeiler-Leman algorithm aka color refinement is fundamental for graph learning with kernels and neural networks. Originally developed for graph isomorphism testing, the algorithm iteratively refines vertex colors. On many…

机器学习 · 计算机科学 2022-12-09 Franka Bause , Nils M. Kriege

Probabilistic Answer Set Programming under the credal semantics (PASP) extends Answer Set Programming with probabilistic facts that represent uncertain information. The probabilistic facts are discrete with Bernoulli distributions. However,…

人工智能 · 计算机科学 2025-02-19 Damiano Azzolini , Fabrizio Riguzzi

In this paper, we present a novel approach to accelerate the Bayesian inference process, focusing specifically on the nested sampling algorithms. Bayesian inference plays a crucial role in cosmological parameter estimation, providing a…

天体物理仪器与方法 · 物理学 2024-10-17 Isidro Gómez-Vargas , J. Alberto Vázquez

We design a new distribution over $\poly(r \eps^{-1}) \times n$ matrices $S$ so that for any fixed $n \times d$ matrix $A$ of rank $r$, with probability at least 9/10, $\norm{SAx}_2 = (1 \pm \eps)\norm{Ax}_2$ simultaneously for all $x \in…

数据结构与算法 · 计算机科学 2013-04-08 Kenneth L. Clarkson , David P. Woodruff

In this paper we focus on problems which do not admit a constant-factor approximation in polynomial time and explore how quickly their approximability improves as the allowed running time is gradually increased from polynomial to…

数据结构与算法 · 计算机科学 2015-02-23 Édouard Bonnet , Michael Lampis , Vangelis Th. Paschos

Inferring causal relationships from observational data is rarely straightforward, but the problem is especially difficult in high dimensions. For these applications, causal discovery algorithms typically require parametric restrictions or…

统计方法学 · 统计学 2022-06-29 David S. Watson , Ricardo Silva

Fairness has emerged as a formidable challenge in data-driven decisions. Many of the data problems, such as creating compact data summaries for approximate query processing, can be effectively tackled using concepts from computational…

数据结构与算法 · 计算机科学 2025-07-14 Mohsen Dehghankar , Stavros Sintos , Abolfazl Asudeh

Motivated by problems in controlled experiments, we study the discrepancy of random matrices with continuous entries where the number of columns $n$ is much larger than the number of rows $m$. Our first result shows that if $\omega(1) = m =…

离散数学 · 计算机科学 2020-11-10 Paxton Turner , Raghu Meka , Philippe Rigollet

Dynamic race detection based on the happens before (HB) partial order has now become the de facto approach to quickly identify data races in multi-threaded software. Most practical implementations for detecting these races use timestamps to…

编程语言 · 计算机科学 2025-04-10 Minjian Zhang , Daniel Wee Soong Lim , Mosaad Al Thokair , Umang Mathur , Mahesh Viswanathan

A fundamental notion of distance between train and test distributions from the field of domain adaptation is discrepancy distance. While in general hard to compute, here we provide the first set of provably efficient algorithms for testing…

数据结构与算法 · 计算机科学 2024-06-14 Gautam Chandrasekaran , Adam R. Klivans , Vasilis Kontonis , Konstantinos Stavropoulos , Arsen Vasilyan

Randomized algorithms are overwhelming methods for low-rank approximation that can alleviate the computational expenditure with great reliability compared to deterministic algorithms. A crucial thought is generating a standard Gaussian…

统计计算 · 统计学 2025-06-05 Dandan Jiang , Bo Fu , Weiwei Xu

Counting the independent sets of a graph is a classical #P-complete problem, even in the bipartite case. We give an exponential-time approximation scheme for this problem which is faster than the best known algorithm for the exact problem.…

数据结构与算法 · 计算机科学 2021-09-10 Leslie Ann Goldberg , John Lapinskas , David Richerby

We consider fairness in submodular maximization subject to a knapsack constraint, a fundamental problem with various applications in economics, machine learning, and data mining. In the model, we are given a set of ground elements, each…

数据结构与算法 · 计算机科学 2025-05-20 Lijun Li , Chenyang Xu , Liuyi Yang , Ruilong Zhang