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- Andreotti, Eleonora, 1988, et al.
(author)
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Equivalence between spectral properties of graphs with and without loops
- 2018
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Journal article (other academic/artistic)abstract
- In this paper we introduce a spectra preserving relation between graphs with loops and graphs without loops. This relation is achieved in two steps. First, by generalizing spectra results got on (m, k)-stars to a wider class of graphs, the (m, k, s)-stars with or without loops. Second, by defining a covering space of graphs with loops that allows to remove the presence of loops by increasing the graph dimension. The equivalence of the two class of graphs allows to study graph with loops as simple graph without loosing information.
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