Published in
Taylor and Francis Group, Linear and Multilinear Algebra, 8(59), p. 929-942
DOI: 10.1080/03081087.2010.536982
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A Generalization of Fiedler's lemma and some applications
Journal article published in 2011 by
Domingos M. Cardoso 
,
Ivan Gutman,
Enide Andrade Martins,
María Robbiano
,
Ivan Gutman,
Enide Andrade Martins,
María Robbiano
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Abstract
In a previous paper [M. Robbiano, E.A. Martins, and I. Gutman, Extending a theorem by Fiedler and applications to graph energy, MATCH Commun. Math. Comput. Chem. 64 (2010), pp. 145–156], a lemma by Fiedler was used to obtain eigenspaces of graphs, and applied to graph energy. In this article Fiedler's lemma is generalized and this generalization is applied to graph spectra and graph energy.