兰州大学机构库

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六角系统中的固定双键 期刊论文
新疆大学学报(自然科学版), 1988, 期号: 4, 页码: 1-5
Authors:  张福基;  张和平
Favorite  |    Submit date:2016/07/28
六角系统  完美匹配  固定双键  固定单键  
The Laplacian spectral radius of unicyclic graphs with k pendent vertices 期刊论文
ARS COMBINATORIA, 2009, 卷号: 90, 页码: 345-355
Authors:  Zhang, Xiaoling;  Zhang, HP(张和平)
Favorite  |    Submit date:2015/12/16
Laplacian spectral radius  Unicyclic graph  
The Laplacian spectral radius of some bipartite graphs 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2008, 卷号: 428, 期号: 7, 页码: 1610-1619
Authors:  Zhang, Xiaoling;  Zhang, HP(张和平)
Adobe PDF(170Kb)  |  Favorite  |    Submit date:2015/12/16
Laplacian spectral radius  bicyclic graph  bipartite graph  
Some graphs determined by their spectra 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2009, 卷号: 431, 期号: 9, 页码: 1443-1454
Authors:  Zhang, Xiaoling;  Zhang, HP(张和平)
Adobe PDF(358Kb)  |  Favorite  |    Submit date:2015/12/16
Adjacency spectrum  Laplacian spectrum  Cospectral graph  
Hexagonal systems with the one-to-one correspondence between geometric and algebraic Kekule structures 期刊论文
DISCRETE APPLIED MATHEMATICS, 2018, 卷号: 238, 页码: 144-157
Authors:  Zhang, Yi;  Zhang, HP(张和平)
Favorite  |    Submit date:2018/09/28
Algebraic kekule structure  Geometric kekule structure  One-to-one correspondence  Hexagonal system  
Anti-Forcing Spectra of Convex Hexagonal Systems 期刊论文
MATHEMATICS, 2022, 卷号: 10, 期号: 19
Authors:  Zhang, Yaxian;  Zhang, Bo;  Zhang, HP(张和平)
Favorite  |    Submit date:2022/11/09
convex hexagonal system  perfect matching  anti-forcing number  anti-forcing spectrum  Fries number  
Continuous forcing spectrum of regular hexagonal polyhexes 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2022, 卷号: 425
Authors:  Zhang, Yaxian;  Zhang, HP(张和平)
Favorite  |    Submit date:2022/07/01
Olefins  Forcing number  Forcing spectrum  Forcings  Perfect matchings  Polyhex  Prolate triangle polyhex  Regular hexagonal polyhex  Spectra's  Perfect matching  
Nice pairs of disjoint pentagons in fullerene graphs 期刊论文
JOURNAL OF MATHEMATICAL CHEMISTRY, 2021, 卷号: 59, 期号: 5, 页码: 1316-1331
Authors:  Zhang, Yaxian;  Zhang, HP(张和平)
Favorite  |    Submit date:2021/04/16
Fullerene graph  Perfect matching  Nice subgraph  Disjoint pentagons  Birkhoff-von Neumann graph  
The Minimum Forcing and Anti-Forcing Numbers of Convex Hexagonal Systems 期刊论文
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY, 2021, 卷号: 85, 期号: 1, 页码: 13-25
Authors:  Zhang, Yaxian;  Zhang, HP(张和平)
Favorite  |    Submit date:2021/04/16
Continuous forcing spectrum of regular hexagonal polyhexes 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2022, 卷号: 425
Authors:  Zhang, Yaxian;  Zhang, HP(张和平)
Favorite  |    Submit date:2022/11/08
Forcing number  Forcing spectrum  Forcings  Perfect matchings  Polyhex  Prolate triangle polyhex  Regular hexagonal polyhex  Spectra's