Commuting involution graphs for $$\tilde{A}_{n}$$

@article{Perkins2006CommutingIG,
  title={Commuting involution graphs for
\$\$\tilde\{A\}_\{n\}\$\$},
  author={Sarah B. Perkins},
  journal={Archiv der Mathematik},
  year={2006},
  volume={86},
  pages={16-25}
}
Abstract.In this article we consider the commuting graphs of involution conjugacy classes in the affine Weyl group $$\tilde{A}_{{n.}}$$ We show that where the graph is connected the diameter is at most 6. 

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