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Abstract
A Cayley graph for a group G is CCA if every automorphism of the graph that preserves the edgeorbits under the regular representation of G is an element of the normaliser of G. A group G is then said to be CCA if every connected Cayley graph on G is CCA. We show that a finite simple group is CCA if and only if it has no element of order 4. We also show that “many” 2groups are nonCCA.
Original language  English 

Pages (fromto)  318333 
Number of pages  16 
Journal  Journal of Algebra 
Volume  569 
DOIs  
Publication status  Published  1 Mar 2021 
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Dive into the research topics of 'A finite simple group is CCA if and only if it has no element of order four'. Together they form a unique fingerprint.Projects
 2 Finished

Structure theory for permutation groups and local graph theory conjectures
1/01/16 → 31/01/19
Project: Research
