In this paper , we firstly introduce the algorithms of two main approaches that can be utilized to generate ldpc parity matrices with algebraic constructures 本文首先研究了代数结构的ldpc码,详细介绍了两大类,基于有限几何和光正交码字构造的代数结构的ldpc码的数学方法。
Lattice implication algebra is a kind of algebraic structure combined with lattice and implication algebra . it is an important method in the research of lattice - valued logic 格蕴涵代数是将格与蕴涵代数结合起来的一种代数结构，是研究格值逻辑系统及其性质的一个重要途径。
In the first chapter of the article we introduce the bogoliubov - valatin transformation theory based upon the xxx antiferromagnetic model . in the second chapter , a new algebraic diagonalization method is presented 第二章介绍一种新的代数对角化方法的理论，这种方法可以将具有半单李代数结构的哈密顿量对角化。
Cellular automata are a kind of discrete nonlinear dynamic systems , they are hard to be predicted or analysed , and it ’ s evolution process can not be described with algebrical structures at least currently 细胞自动机是一种离散的非线性动力学系统,对系统的预测和分析相当困难,其演化过程很难用现有的代数结构描述。
This thesis mainly studies the algebra structure and applications of fuzzy inferenceo the chief research : one is r0 algebra structure of wnxwm , the other is some ways of fuzzy - possible reasoning 本文主要研究了模糊推理的数学结构及其应用。主要研究成果有w _ n w _ m上r _ 0代数结构及其构造及模糊一可能推理的几种推理形式。
This paper first illustrated a classification of congruence decomposition on n ( 2 , 2 , 0 ) algebra , then discussed the algebraic structure of the quotient algebra and a classification of converse image under the natural homomorphism 摘要对n ( 2 , 2 , 0 )代数给出了一类同余分解，探讨了其商代数的代数结构以及自然同态下一类逆象的代数结构。
In this thesis , we first compile some utilizable parts of boolean algebra theory , which are the fundamental objects : the structure of boolean algebra , the boolean functions , the boolean equations , and the boolean matrices 本文编写整理了布尔代数理论中较为实用的部分，主要包括布尔代数结构、布尔函数、布尔方程、布尔矩阵等方面的基础内容。
Connected rough structure with algebra structure , topology structure and order structure , many new prosperous mathematics branches will appear currently , there have been some articles on connecting rough structure with algebra structure 将粗糙结构与代数结构、拓扑结构、序结构不断整合，必将涌现出新的富有生机的数学分支。目前，粗糙结构与代数结构结合起来进行的研究已有文章出现。
1 . the study of algebraic structure and properties ( 1 ) some properties and structure of lattice implication algebra are discussed . it is proved that lattices with five elements and lattices with an intermediate element can not form lattice implication algebra except they are chains 一、代数结构和性质的研究1 、对格蕴涵代数的结构进行了研究，证明了非链的五元格不能构成格蕴涵代数，非链的中界格不能构成格蕴涵代数。
After analyzing the process of mathematization , several conclusions are summed up as follows . first , while the subjects investigated of 17th century ' s mathematics include the mixture of the structure of sequence , the structure of algebra and the fuzzy quantum in the structure topology 首先，十七世纪数学的研究对象是一个包含代数结构、序结构和拓扑结构的模糊的“量”的混合体，而主要的内容是有别于古典几何的无穷小算法。
