COGRAPH

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相关作者：程科杨云侠更多>>
相关机构：大连大学中南大学西安电子科技大学上海交通大学更多>>
相关期刊：《Journal of Mathematical Research with Applications》《Algebra Colloquium》《Journal of Computer Science & Technology》《大观周刊》更多>>
相关基金：国家自然科学基金更多>>
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Eigenvalue-Free Interval for Seidel Matrices of Cographs
《Journal of Mathematical Research with Applications》2025年第1期1-10,共10页Heming NIU Wei WANG 
Supported by the National Natural Science Foundation of China(Grant No.12001006);the Natural Science Foundation of Universities of Anhui Province(Grant No.2023AH050904).
The distribution of Seidel eigenvalues of cographs is investigated in this paper.We prove that there is no Seidel eigenvalue of nontrivial cographs in the interval(−1,1).We also show the optimality of the interval(−1,...
关键词：COGRAPH Seidel matrix eigenvalue-free interval 
Algebraic Properties of Universal Squarefree Lexsegment Ideals
《Algebra Colloquium》2016年第2期293-302,共10页Marilena Crupi Monica La Barbiera 
Let K be a field and let A = K[X1,...,Xn] be the polynomial ring in X1, ..., Xn with coefficients in K. In this paper we study the universal squarefree lexsegment ideals, and put our attention on their combinatorics c...
关键词：monomial ideals squarefree lexicographic ideals minimal resolutions s-sequences standard invariants 
Analysis of English Etymological Dictionary and Thesaurus from the perspective of Lexicography theory
《大观周刊》2011年第26期112-112,共1页杨云侠 
A New Approach to Graph Recognition and Applications to Distance-Hereditary Graphs
《Journal of Computer Science & Technology》2009年第3期517-533,共17页Shin-ichi Nakano Ryuhei Uehara Takeaki Uno 
presented at the 4th Annual Conference on Theory and Applications of Models of Computation(TAMC07)
Algorithms used in data mining and bioinformatics have to deal with huge amount of data efficiently. In many applications, the data are supposed to have explicit or implicit structures. To develop efficient algorithms...
关键词：algorithmic graph theory COGRAPH distance-hereditary graph prefix tree tree representation 
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