The spectra of Manhattan street networks

The multidimensional Manhattan street networks constitute a family of digraphs with many interesting properties, such as vertex symmetry (in fact they are Cayley digraphs), easy routing, Hamiltonicity, and modular structure. From the known structural properties of these digraphs, we determine their...

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Detalles Bibliográficos
Autores: Comellas Padró, Francesc, Dalfó, Cristina, Fiol Mora, Miguel Ángel, Mitjana, Margarida
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2008
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10459.1/463316
Acceso en línea:https://doi.org/10.1016/j.laa.2008.05.018
https://hdl.handle.net/10459.1/463316
Access Level:acceso abierto
Palabra clave:Manhattan street networks
Digraph
Spectrum
Eigenvalues
Characteristic polynomial
Descripción
Sumario:The multidimensional Manhattan street networks constitute a family of digraphs with many interesting properties, such as vertex symmetry (in fact they are Cayley digraphs), easy routing, Hamiltonicity, and modular structure. From the known structural properties of these digraphs, we determine their spectra, which always contain the spectra of hypercubes. In particular, in the standard (two-dimensional) case it is shown that their line digraph structure imposes the presence of the zero eigenvalue with a large multiplicity.