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A new 1D search method is proposed for minimizing an arbitrary real valued function. The algorithm is a modification of the interval halving method which is based on dividing the interval of uncertainty by three points into four equal…

最优化与控制 · 数学 2019-03-19 Alena Antonova , Olga Ibryaeva

We propose a novel numerical approach to compute the Pareto front in multivariate polynomial multi-objective optimization problems. When the objective functions and (equality) constraints are multivariate polynomials, the Pareto front,…

最优化与控制 · 数学 2026-04-06 Hans van Rooij , Christof Vermeersch , Marie Deferme , Bart De Moor

Density estimation plays a key role in many tasks in machine learning, statistical inference, and visualization. The main bottleneck in high-dimensional density estimation is the prohibitive computational cost and the slow convergence rate.…

机器学习 · 计算机科学 2021-10-22 Liang Ding , Lu Zou , Wenjia Wang , Shahin Shahrampour , Rui Tuo

Cardinality-constrained diameter partitioning asks for a partition of $n$ items into two classes of prescribed sizes that minimizes the larger of the two class diameters. We give an $O(n^2)$ algorithm and a matching $\Omega(n^2)$ lower…

数据结构与算法 · 计算机科学 2026-05-06 Chao Xu , Mingdong Yang

Recent research on computing the diameter of geometric intersection graphs has made significant strides, primarily focusing on the 2D case where truly subquadratic-time algorithms were given for simple objects such as unit-disks and…

计算几何 · 计算机科学 2026-03-24 Timothy M. Chan , Hsien-Chih Chang , Jie Gao , Sándor Kisfaludi-Bak , Hung Le , Da Wei Zheng

Finding the $r\times r$ submatrix of maximum volume of a matrix $A\in\mathbb R^{n\times n}$ is an NP hard problem that arises in a variety of applications. We propose a new greedy algorithm of cost $\mathcal O(n)$, for the case $A$…

数值分析 · 数学 2021-04-05 Stefano Massei

In this paper we give explicit constructions of point sets in the $s$ dimensional unit cube yielding quasi-Monte Carlo algorithms which achieve the optimal rate of convergence of the worst-case error for numerically integrating high…

数值分析 · 数学 2013-04-02 Josef Dick

We introduce general tools for designing efficient private estimation algorithms, in the high-dimensional settings, whose statistical guarantees almost match those of the best known non-private algorithms. To illustrate our techniques, we…

数据结构与算法 · 计算机科学 2023-11-17 Hongjie Chen , Vincent Cohen-Addad , Tommaso d'Orsi , Alessandro Epasto , Jacob Imola , David Steurer , Stefan Tiegel

Graph partitioning schedules parallel calculations like sparse matrix-vector multiply (SpMV). We consider contiguous partitions, where the $m$ rows (or columns) of a sparse matrix with $N$ nonzeros are split into $K$ parts without…

数据结构与算法 · 计算机科学 2024-10-30 Willow Ahrens

We propose a fast approximate algorithm for large graph matching. A new projected fixed-point method is defined and a new doubly stochastic projection is adopted to derive the algorithm. Previous graph matching algorithms suffer from high…

计算机视觉与模式识别 · 计算机科学 2012-08-13 Yao Lu , Kaizhu Huang , Cheng-Lin Liu

Decision diagrams (DDs) have emerged as a state-of-the-art method for exact multiobjective integer linear programming. When the DD is too large to fit into memory or the decision-maker prefers a fast approximation to the Pareto frontier,…

人工智能 · 计算机科学 2026-03-20 Rahul Patel , Elias B. Khalil , David Bergman

This paper introduces an efficient algorithm for computing the best approximation of a given matrix onto the intersection of linear equalities, inequalities and the doubly nonnegative cone (the cone of all positive semidefinite matrices…

最优化与控制 · 数学 2018-03-20 Ying Cui , Defeng Sun , Kim-Chuan Toh

Projective splitting is a family of methods for solving inclusions involving sums of maximal monotone operators. First introduced by Eckstein and Svaiter in 2008, these methods have enjoyed significant innovation in recent years, becoming…

最优化与控制 · 数学 2020-02-19 Patrick R. Johnstone , Jonathan Eckstein

We revisit the following problem (along with its higher dimensional variant): Given a set $S$ of $n$ points inside an axis-parallel rectangle $U$ in the plane, find a maximum-area axis-parallel sub-rectangle that is contained in $U$ but…

组合数学 · 数学 2016-10-17 Adrian Dumitrescu , Minghui Jiang

We consider change-point estimation in a sequence of high-dimensional signals given noisy observations. Classical approaches to this problem such as the filtered derivative method are useful for sequences of scalar-valued signals, but they…

统计理论 · 数学 2015-01-08 Yong Sheng Soh , Venkat Chandrasekaran

Hyperbolicity measures, in terms of (distance) metrics, how close a given graph is to being a tree. Due to its relevance in modeling real-world networks, hyperbolicity has seen intensive research over the last years. Unfortunately, the best…

We present an $O(n^2\log^4 n)$-time algorithm for computing the center region of a set of $n$ points in the three-dimensional Euclidean space. This improves the previously best known algorithm by Agarwal, Sharir and Welzl, which takes…

计算几何 · 计算机科学 2019-10-29 Eunjin Oh , Hee-Kap Ahn

Change-point problems have appeared in a great many applications for example cancer genetics, econometrics and climate change. Modern multiscale type segmentation methods are considered to be a statistically efficient approach for multiple…

统计计算 · 统计学 2018-05-04 Chengcheng Huang , Housen Li , Lizhi Cheng , Wei Peng

Although quality indicators play a crucial role in benchmarking evolutionary multi-objective optimization algorithms, their properties are still unclear. One promising approach for understanding quality indicators is the use of the optimal…

神经与进化计算 · 计算机科学 2020-09-29 Ryoji Tanabe , Hisao Ishibuchi

Hyperbolicity is a graph parameter which indicates how much the shortest-path distance metric of a graph deviates from a tree metric. It is used in various fields such as networking, security, and bioinformatics for the classification of…

数据结构与算法 · 计算机科学 2021-04-27 David Coudert , André Nusser , Laurent Viennot
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