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Block majorization-minimization (BMM) is a simple iterative algorithm for nonconvex optimization that sequentially minimizes a majorizing surrogate of the objective function in each block coordinate while the other block coordinates are…

最优化与控制 · 数学 2026-03-10 Yuchen Li , Laura Balzano , Deanna Needell , Hanbaek Lyu

We develop a theory of bicrystalline ideals, synthesizing Gr\"obner basis techniques and Kashiwara's crystal theory. This provides a unified algebraic, combinatorial, and computational approach that applies to ideals of interest, old and…

表示论 · 数学 2025-10-10 Abigail Price , Ada Stelzer , Alexander Yong

Impactful applications such as materials discovery, hardware design, neural architecture search, or portfolio optimization require optimizing high-dimensional black-box functions with mixed and combinatorial input spaces. While Bayesian…

机器学习 · 计算机科学 2024-03-21 Leonard Papenmeier , Luigi Nardi , Matthias Poloczek

This paper studies the application of the blended dynamics approach towards distributed optimization problem where the global cost function is given by a sum of local cost functions. The benefits include (i) individual cost function need…

最优化与控制 · 数学 2021-02-26 Seungjoon Lee , Hyungbo Shim

We present Bayesian Diffusion Models (BDM), a prediction algorithm that performs effective Bayesian inference by tightly coupling the top-down (prior) information with the bottom-up (data-driven) procedure via joint diffusion processes. We…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Haiyang Xu , Yu Lei , Zeyuan Chen , Xiang Zhang , Yue Zhao , Yilin Wang , Zhuowen Tu

The interstellar medium (ISM) exhibits complex, multi-scale structures that are challenging to study due to their projection into two-dimensional (2D) column density maps. We present the Volume Density Mapper, a novel algorithm based on…

天体物理仪器与方法 · 物理学 2025-09-23 Guang-Xing Li , Mengke Zhao

Industrial dynamical systems often exhibit multi-scale response due to material heterogeneities, operation conditions and complex environmental loadings. In such problems, it is the case that the smallest length-scale of the systems…

计算物理 · 物理学 2020-08-18 Waad Subber , Sayan Ghosh , Piyush Pandita , Yiming Zhang , Liping Wang

Algorithms for initializing particle distribution in SPH simulations are important for improving simulation accuracy. However, no such algorithms exist for boundary integral SPH models, which can model complex geometries without requiring…

计算工程、金融与科学 · 计算机科学 2024-12-30 Parikshit Boregowda , G R Liu

Dispersion relation reflects the dependence of wave frequency on its wave vector when the wave passes through certain material. It demonstrates the properties of this material and thus it is critical. However, dispersion relation…

数值分析 · 数学 2023-10-31 Yueqi Wang , Guanglian Li

Programmable linear optical interferometers are important for classical and quantum information technologies, as well as for building hardware-accelerated artificial neural networks. Recent results showed the possibility of constructing…

光学 · 物理学 2023-07-10 B. I. Bantysh , K. G. Katamadze , A. Yu. Chernyavskiy , Yu. I. Bogdanov

Boolean matrix factorization (BMF) approximates a given binary input matrix as the product of two smaller binary factors. Unlike binary matrix factorization based on standard arithmetic, BMF employs the Boolean OR and AND operations for the…

信息检索 · 计算机科学 2025-12-05 Christos Kolomvakis , Thomas Bobille , Arnaud Vandaele , Nicolas Gillis

In this paper we present a new algorithm for multivariate interpolation of scattered data sets lying in convex domains $\Omega \subseteq \RR^N$, for any $N \geq 2$. To organize the points in a multidimensional space, we build a $kd$-tree…

数值分析 · 数学 2014-09-22 Roberto Cavoretto , Alessandra De Rossi , Emma Perracchione

We present a new adaptive method for electronic structure calculations based on novel fast algorithms for reduction of multivariate mixtures. In our calculations, spatial orbitals are maintained as Gaussian mixtures whose terms are selected…

数值分析 · 数学 2019-06-19 Gregory Beylkin , Lucas Monzon , Xinshuo Yang

The two-dimensional irregular bin packing problem (2DIBPP) aims to pack a given set of irregular polygons, referred to as pieces, into fixed-size rectangular bins without overlap, while maximizing bin utilization. Although numerous…

计算几何 · 计算机科学 2026-03-03 Yi Zhou , Haocheng Fu , Yiping Liu , Jian Mao , Zhang-Hua Fu , Yuyi Wang

We propose a method for crystal structure prediction based on a new structure generation algorithm and on-lattice machine learning interatomic potentials. Our algorithm generates the atomic configurations assigning atomic species to sites…

材料科学 · 物理学 2023-06-08 Vadim Sotskov , Alexander V. Shapeev , Evgeny V. Podryabinkin

In this paper we demonstrate the use of B\'{e}zier projection to alleviate locking phenomena in structural mechanics applications of isogeometric analysis. Interpreting the well-known $\bar{B}$ projection in two different ways we develop…

数值分析 · 数学 2018-05-09 Di Miao , Michael J. Borden , Michael A. Scott , Derek C. Thomas

Coded computing has emerged as a key framework for addressing the impact of stragglers in distributed computation. While polynomial functions often admit exact recovery under existing coded computing schemes, non-polynomial functions…

信息论 · 计算机科学 2026-01-21 Rimpi Borah , J. Harshan , V. Lalitha

This paper presents algorithms for the included-sums and excluded-sums problems used by scientific computing applications such as the fast multipole method. These problems are defined in terms of a $d$-dimensional array of $N$ elements and…

数据结构与算法 · 计算机科学 2021-06-02 Helen Xu , Sean Fraser , Charles E. Leiserson

Probability density functions form a specific class of functional data objects with intrinsic properties of scale invariance and relative scale characterized by the unit integral constraint. The Bayes spaces methodology respects their…

统计方法学 · 统计学 2024-05-06 Jana Burkotová , Ivana Pavlů , Hiba Nassar , Jitka Machalová , Karel Hron

We develop a comprehensive theory for the effective dynamics of Bloch electrons based on symmetry. We begin with a scheme to systematically derive the irreducible representations (IRs) characterizing the Bloch functions. Starting from a…

介观与纳米尺度物理 · 物理学 2019-09-06 E. A. Fajardo , R. Winkler