Abstract
Using a majorization technique that identifies the maximal and minimal vectors of a variety of subsets of Rⁿ, we find upper and lower bounds for the Kirchhoff index K(G) of an arbitrary simple connected graph G that improve those existing in the literature.
Lingua originale | English |
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Numero di pagine | 17 |
Stato di pubblicazione | Pubblicato - 2012 |
Keywords
- Kirchhoff index
- Schur-convex functions
- graphs
- majorization order