Algebraic combinatorics: Difference between revisions

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A graph of this kind is sometimes said to be an srg(''v'', ''k'', λ, μ).
 
Some authors exclude graphs which satisfy the definition trivially, namely those graphs which are the disjoint union of one or more equal-sized [[complete graph]]s,<ref>{{Cite web |url=http://homepages.cwi.nl/~aeb/math/ipm.pdf |title=Brouwer, Andries E; Haemers, Willem H. ''Spectra of Graphs''. p. 101 |access-date=2014-10-10 |archive-url=https://web.archive.org/web/20120316102909/http://homepages.cwi.nl/~aeb/math/ipm.pdf |archive-date=2012-03-16 |deadurl-url=yes |dfstatus=dead }}</ref><ref>Godsil, Chris; Royle, Gordon. ''Algebraic Graph Theory''. Springer-Verlag New York, 2001, p. 218.</ref> and their [[complement graph|complements]], the [[Turán graph]]s.
 
===Young tableaux===