Editing Spectral graph theory (section)

==References==
{{reflist}}
* {{citation|last1=Alon|last2=Spencer|title=The probabilistic method|publisher=Wiley|year=2011}}.
* {{citation| first1=Andries |last1=Brouwer| first2 = Willem H. | last2 = Haemers| author-link = Andries Brouwer| url=http://www.win.tue.nl/~aeb/2WF02/spectra.pdf |title=Spectra of Graphs |year=2011|publisher=Springer}} 
* {{citation|last1=Hoory|last2=Linial|last3=Wigderson|year=2006|title=Expander graphs and their applications|url=https://www.cs.huji.ac.il/~nati/PAPERS/expander_survey.pdf}}
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* {{cite book |last =Schwenk |first =A. J. |author-link =Schwenk A. J. |chapter =Almost All Trees are Cospectral |title =New Directions in the Theory of Graphs |editor-last =Harary |editor-first =Frank |editor-link =Frank Harary |publisher =[[Academic Press]] |location =New York |year =1973 |isbn =012324255X |oclc =890297242 }}
* {{cite book |last = Bogdan | first =Nica | title="A Brief Introduction to Spectral Graph Theory" | publisher = EMS Press | location = Zurich | year = 2018 | isbn =978-3-03719-188-0}}
* [https://doi.org/10.1007/978-3-662-67872-5 Pavel Kurasov (2024), ''Spectral Geometry of Graphs'', Springer(Birkhauser), Open Access (CC4.0).]