Constructing adjacency and distance cospectral graphs via regular rational orthogonal matrix

Lihuan Mao; Yuanhang Xu; Fenjin Liu; Bei Liu

doi:10.1016/j.laa.2025.01.033

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Constructing adjacency and distance cospectral graphs via regular rational orthogonal matrix

Lihuan Mao Yuanhang Xu Fenjin Liu Bei Liu

Year: 2025 Journal: Linear Algebra and its Applications Vol: 710 Pages: 111-128 Publisher: Elsevier BV

DOI: 10.1016/j.laa.2025.01.033

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Keywords:

Mathematics Adjacency matrix Combinatorics Distance matrix Adjacency list Matrix (chemical analysis) Two-graph Distance matrices in phylogeny Discrete mathematics Graph Line graph

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Graph theory and applications

Physical Sciences → Mathematics → Geometry and Topology

Matrix Theory and Algorithms

Physical Sciences → Computer Science → Computational Theory and Mathematics

graph theory and CDMA systems

Physical Sciences → Engineering → Electrical and Electronic Engineering

Constructing adjacency and distance cospectral graphs via regular rational orthogonal matrix

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