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We consider and analyze applying a spectral inverse iteration algorithm and its subspace iteration variant for computing eigenpairs of an elliptic operator with random coefficients. With these iterative algorithms the solution is sought…

数值分析 · 计算机科学 2017-06-16 Harri Hakula , Mikael Laaksonen

In this paper we study some novel parallel and sequential hybrid methods for finding a common fixed point of a finite family of asymptotically quasi $\phi$-nonexpansive mappings. The results presented here modify and extend some previous…

最优化与控制 · 数学 2015-10-29 Pham Ky Anh , Dang Van Hieu

We present an algorithm to perform a simultaneous modular reduction of several residues. This algorithm is applied fast modular polynomial multiplication. The idea is to convert the $X$-adic representation of modular polynomials, with $X$…

符号计算 · 计算机科学 2008-06-23 Jean-Guillaume Dumas

In this paper, we present a uniform formula for the integration of polynomials over the unitary, orthogonal, and symplectic groups using Weingarten calculus. From this description, we further simplify the integration formulas and give…

组合数学 · 数学 2016-12-23 Alejandro Ginory , Jongwon Kim

In this paper, we present an algorithm for computing a fundamental matrix of formal solutions of completely integrable Pfaffian systems with normal crossings in several variables. This algorithm is a generalization of a method developed for…

符号计算 · 计算机科学 2016-10-06 Moulay A. Barkatou , Maximilian Jaroschek , Suzy S. Maddah

In this paper, we address the problem of computing the maximal admissible robust positive invariant (MARPI) set for discrete-time linear time-varying systems with parametric uncertainties and additive disturbances. The system state and…

最优化与控制 · 数学 2024-06-26 Anchita Dey , Shubhendu Bhasin

In recent years, numerous vision and learning tasks have been (re)formulated as nonconvex and nonsmooth programmings(NNPs). Although some algorithms have been proposed for particular problems, designing fast and flexible optimization…

计算机视觉与模式识别 · 计算机科学 2017-07-03 Yiyang Wang , Risheng Liu , Xiaoliang Song , Zhixun Su

We construct an algorithm to simulate imaginary time evolution of translationally invariant spin systems with local interactions on an infinite, symmetric tree. We describe the state by symmetric iPEPS and use translation-invariant…

量子物理 · 物理学 2015-05-28 Adam Nagy

Recently the away-step Frank-Wolfe algoritm for constrained multiobjective optimization has been shown linear convergence rate over a polytope which is generated by finite points set. In this paper we design a decomposition-invariant…

最优化与控制 · 数学 2024-09-10 Zhuoxin Fan , Liping Tang

The Qth-power algorithm for computing structured global presentations of integral closures of affine domains over finite fields is modified to compute structured presentations of integral closures of ideals in affine domains over finite…

交换代数 · 数学 2012-09-19 Douglas A. Leonard

A new decomposition method for nonstationary signals, named Adaptive Local Iterative Filtering (ALIF), has been recently proposed in the literature. Given its similarity with the Empirical Mode Decomposition (EMD) and its more rigorous…

数值分析 · 数学 2022-07-20 Giovanni Barbarino , Antonio Cicone

In this paper, we propose two novel parallel hybrid methods for finding a common element of the set of solutions of a finite family of generalized equilibrium problems for monotone bifunctions $\left\{f_i\right\}_{i=1}^N$ and $\alpha$ -…

最优化与控制 · 数学 2016-01-12 Dang Van Hieu

We completely describe a new domain for abstract interpretation of numerical programs. Fixpoint iteration in this domain is proved to converge to finite precise invariants for (at least) the class of stable linear recursive filters of any…

计算机科学中的逻辑 · 计算机科学 2008-07-21 Eric Goubault , Sylvie Putot

We provide an asymptotically tight, computationally efficient approximation of the joint spectral radius of a set of matrices using sum of squares (SOS) programming. The approach is based on a search for an SOS polynomial that proves…

最优化与控制 · 数学 2008-03-23 Pablo A. Parrilo , Ali Jadbabaie

Optional P\'{o}lya Tree (OPT) is a flexible non-parametric Bayesian model for density estimation. Despite its merits, the computation for OPT inference is challenging. In this paper we present time complexity analysis for OPT inference and…

统计计算 · 统计学 2013-09-24 Hui Jiang , John C. Mu , Kun Yang , Chao Du , Luo Lu , Wing Hung Wong

The paper presents an iterative version of join-tree clustering that applies the message passing of join-tree clustering algorithm to join-graphs rather than to join-trees, iteratively. It is inspired by the success of Pearl's belief…

人工智能 · 计算机科学 2013-01-07 Rina Dechter , Kalev Kask , Robert Mateescu

Weighted automata over the max-plus semiring S are closely related to finitely generated semigroups of matrices over S. In this paper, we use results in automata theory to study two quantities associated with sets of matrices: the joint…

形式语言与自动机理论 · 计算机科学 2017-03-06 Laure Daviaud , Pierre Guillon , Glenn Merlet

Envelope model also known as multivariate regression model was proposed to solve the multiple response regression problems. It measures the linear association between predictors and multiple responses by using the minimal reducing subspace…

统计方法学 · 统计学 2018-05-07 Bochao Jia

Let $\Phi$ be a finite crystallographic irreducible root system and $\mathcal P_{\Phi}$ be the convex hull of the roots in $\Phi$. We give a uniform explicit description of the polytope $\mathcal P_{\Phi}$, analyze the…

组合数学 · 数学 2016-11-07 Paola Cellini , Mario Marietti

We propose a federated algorithm for reconstructing images using multimodal tomographic data sourced from dispersed locations, addressing the challenges of traditional unimodal approaches that are prone to noise and reduced image quality.…

最优化与控制 · 数学 2025-01-13 Geunyeong Byeon , Minseok Ryu , Zichao Wendy Di , Kibaek Kim