搜索结果: 1-15 共查到“代数学 Approximation”相关记录21条 . 查询时间(0.039 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A Landscape View of Eigenvalues Approximation
特征值近似 景观视图 无序系统
2023/4/24
Waves of all sorts, including electromagnetic waves, acoustic waves, and mechanical vibrations, play a role in shaping our world. In disordered systems, the transport of waves is hindered, resulting i...
2018算子代数中的逼近性质及遍历理论研讨会（Workshop on Approximation Properties in Operator Algebras and Ergodic Theory）
2018 算子代数中的逼近性质及遍历理论 研讨会
2017/12/20
Modeling non-commutative phenomena in finite dimensional matrix algebras is a central theme of the program Quantitative Linear Algebra. This workshop will focus on a variety of concrete questions aro...
The Convergenceof an Euler Approximation of an Initial ValueProblemIs Not Always Obvious
Euler Approximation Initial ValueProblemIs Not Always Obvious
2015/8/26
The Convergenceof an Euler Approximation of an Initial ValueProblemIs Not Always Obvious.
Robust solutions to l1, l2, and l_infinity uncertain linear approximation problems using convex optimization
Linear random and uncertain data convex optimization
2015/8/11
We present minimax and stochastic formulations of some linear approximation problems with uncertain data in R^n equipped with the Euclidean (l2), Absolute-sum (l1) or Chebyshev (l-infinity) norms. We ...
The first $L^2$-Betti number and approximation in arbitrary characteristic
First L2-Betti number approximation in prime characteristic Group Theory
2012/6/19
Let G be a finitely generated group and (G_i) a descending chain of finite index normal subgroups of G. Given a field K, we consider the sequence b_1(G_i;K)/[G:G_i] of normalized first Betti numbers o...
A remark on approximation of open sets with regular bounded ones
approximation of irregular open sets ascending sequence of sets analytic boundary
2011/1/19
We show that any open set in Rn is a union of an ascending sequence of bounded open sets with analytic boundary.This is just a technical result, which is probably known. We be-lieve, however, that it ...
Best approximation in max-plus semimodules
Elements of best approximation Max-plus algebra
2011/2/28
We establish new results concerning projectors on max-plus spaces, as well as separating half-spaces, and derive an explicit formula for the distance in Hilbert's projective metric between a point and...
Numerical Approximation of the Inviscid 3D Primitive Equations in a Limited Domain
the Inviscid 3D Primitive Equations Limited Domain
2010/11/24
A new set of nonlocal boundary conditions are proposed for the higher modes of the 3D inviscid primitive equations. Numerical schemes using the splitting-up method are proposed for these modes. Numeri...
Korovkin-type Theorems and Approximation by Positive Linear Operators
Korovkin-type theorem positive operator approximation by positive operators
2010/12/6
This survey paper contains a detailed self-contained introduction to Korovkin-type theorems
and to some of their applications concerning the approximation of continuous functions as well
as of Lp-fu...
Approximation of DAC Codeword Distribution for Equiprobable Binary Sources along Proper Decoding Paths
DAC Codeword Distribution Equiprobable Binary Sources Proper Decoding Paths
2010/12/13
Distributed Arithmetic Coding (DAC) is an effective implementation of Slepian-Wolf coding, especially for short data blocks. To research its properties, the concept of DAC codeword distribution along ...
We study algorithms for clustering data that were recently proposed by Balcan, Blum and Gupta in SODA’09 [4] and that have already given rise to two follow-up papers. The input for the clustering prob...
Approximation of $B$-Continuous and $B$-Differentiable Functions by GBS Operators Defined by Infinite Sum
Linear positive operators GBS operators $B$-continuous and $B$- differentiable functions approximation of $B$-continuous and $B$-differentiable functions by GBS operators
2010/1/22
In this paper we start from a class of linear and positive operators defined by infinite sum. We consider the associated GBS operators and we give an approximation of B-continuous and B-differentiable...
Minimal Achievable Approximation Ratio for MAX-MQ in Finite Fields
Multivariate quadratic polynomial equations MAX-MQ approximation algorithm approximation ratio
2013/9/9
Given a multivariate quadratic polynomial system in a niteeld Fq, theproblem MAX-MQ is to ˉnd a solution satisfying the maximal number of equations. We prove that the probability of a random assignmen...
Equi-Statistical Extension of the Korovkin Type Approximation Theorem
Equi-statistical convergence positive linear operator Korovkin type theorem
2010/2/25
In this paper using equi-statistical convergence, which is stronger than the usual uniform convergence and statistical uniform convergence, we obtain a general Korovkin type theorem. Then, we construc...
Subdivision algorithm (Stationary or Non-stationary) is one of
the most active and exciting research topics in wavelet analysis
and applied mathematical theory. In multidimensional non-stationary
s...