A new spectral invariant for quantum graphs

Abstract The Euler characteristic i.e., the difference between the number of vertices |V| and edges |E| is the most important topological characteristic of a graph. However, to describe spectral properties of differential equations with mixed Dirichlet and Neumann vertex conditions it is necessary t...

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Autores principales: Michał Ławniczak, Pavel Kurasov, Szymon Bauch, Małgorzata Białous, Afshin Akhshani, Leszek Sirko
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/e0afc2d00ff44564adfd06cd42d8bc53
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